NATIONAL PATENT DEVELOPMENT CORP
8-K, 1997-07-17
EDUCATIONAL SERVICES
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934



                     NATIONAL PATENT DEVELOPMENT CORPORATION
             (Exact name of registrant as specified in its charter)



                                  June 23, 1997
                Date of Report (Date of earliest event reported)



         Delaware                1-7234                      13-1926739
  (State or other juris-      (Commission                 (I.R.S. Employer
diction of incorporation)      File Number)               Identification No.)



 9 West 57th Street, New York, New York                        10019
 (Address of principal executive offices)                      (Zip Code)



                                 (212) 826-8500
              (Registrant's telephone number, including area code)




<PAGE>





Item 5.           Other Events.


                  On June 23, 1997 the Board of  Directors  of  National  Patent
Development  Corporation (the "Company") declared a dividend distribution of one
Right for each  outstanding  share of each of (x) Common Stock,  $.01 par value,
and (y) Class B  Capital  Stock,  $.01 par value  (each,  a "Common  Share"  and
collectively,  the "Common Shares"), of the Company to stockholders of record at
the close of business on July 3, 1997. Each Right entitles the registered holder
to purchase from the Company a unit  consisting of one one thousandth of a share
(a "Unit") of the Series A Junior Participating  Preferred Stock, par value $.01
per  share,  of the  Company  (the  "Preferred  Shares"),  or a  combination  of
securities  and assets of equivalent  value,  at a Purchase  Price of $33.00 per
Unit,  subject to adjustment.  The  description  and terms of the Rights are set
forth in a Rights  Agreement  (the "Rights  Agreement")  between the Company and
Harris Trust Company of New York, as Rights Agent.

                  Initially,  ownership  of the Rights will be  evidenced by the
Common Share certificates representing shares then outstanding,  and no separate
Rights  Certificates  will be  distributed.  The Rights will  separate  from the
Common Shares and a Distribution Date will occur upon the earlier of (i) 10 days
following  a public  announcement  that a  person  or  group  of  affiliated  or
associated persons (an "Acquiring  Person") has acquired,  or obtained the right
to acquire, beneficial ownership of 20% or more of the outstanding Common Shares
(the "Stock  Acquisition  Date"),  or (ii) the close of business on such date as
may be fixed by the Board of  Directors,  which  date  shall not be more than 65
days following the  commencement  of a tender offer or exchange offer that would
result in a person or group  beneficially  owning 20% or more of the outstanding
Common Shares.  Until the Distribution Date, (x) the Rights will be evidenced by
the Common Share  certificates  and will be transferred  with and only with such
Common Share  certificates,  (y) new Common Share certificates issued after July
3, 1997, will contain a notation incorporating the Rights Agreement by reference
and (z) the  surrender  for  transfer  of any  certificates  for  Common  Shares
outstanding will also constitute the transfer of the Rights  associated with the
Common Shares represented by such certificate.

                  The Rights are not exercisable until the Distribution Date and
will expire at the close of business on July 3, 2007, unless earlier redeemed by
the Company as described  below or unless a  transaction  under Section 13(d) of
the Rights Agreement has occurred.

                  As soon as practicable  after the  Distribution  Date,  Rights
Certificates  will be mailed to holders of record of the Common Shares as of the
close of business on the Distribution Date and, thereafter,  the separate Rights
Certificates alone will represent the Rights.  Except as otherwise determined by
the Board of Directors,  and except in connection  with the exercise of employee
stock options or stock  appreciation  rights or under any other benefit plan for
employees  or  directors  or in  connection  with the  exercise  of  warrants or
conversion of  convertible  securities,  only Common Shares issued after July 3,
1997 and prior to the Distribution Date will be issued with Rights.



<PAGE>


                  Except  in  the  circumstances   described  below,  after  the
Distribution  Date each Right will be  exercisable  into one one thousandth of a
Preferred Share (a "Preferred  Share  Fraction").  Each Preferred Share Fraction
carries  voting and dividend  rights that are intended to produce the equivalent
of one Common Share.  The voting and dividend rights of the Preferred Shares are
subject to adjustment in the event of dividends,  subdivisions  and combinations
with  respect  to  the  Common  Shares  of  the  Company.  In  lieu  of  issuing
certificates  for  Preferred  Share  Fractions  which are less than an  integral
multiple of one Preferred  Share (i.e.  1,000 Preferred  Share  Fractions),  the
Company may pay cash  representing  the current  market  value of the  Preferred
Share Fractions.

                  In the event that at any time following the Stock  Acquisition
Date, (i) the Company is the surviving corporation in a merger with an Acquiring
Person and its Common  Shares  remain  outstanding,  (ii) a Person  becomes  the
beneficial  owner of more than 20% of the then  outstanding  Common Shares other
than pursuant to a tender offer that  provides  fair value to all  stockholders,
(iii) an Acquiring Person engages in one or more "self-dealing"  transactions as
set  forth in the  Rights  Agreement,  or (iv)  during  such time as there is an
Acquiring  Person  an event  occurs  that  results  in such  Acquiring  Person's
ownership  interest  being  increased  by more  than 1% (e.g.,  a reverse  stock
split),  each holder of a Right will thereafter have the right to receive,  upon
exercise,  Common Shares (or, in certain circumstances,  cash, property or other
securities of the Company)  having a value equal to two times the exercise price
of the Right.  In lieu of requiring  payment of the Purchase Price upon exercise
of the Rights  following  any such  event,  the  Company  may permit the holders
simply to surrender the Rights,  in which event they will be entitled to receive
Common  Shares (and other  property,  as the case may be) with a value of 50% of
what could be purchased by payment of the full Purchase  Price.  Notwithstanding
any of the foregoing, following the occurrence of any of the events set forth in
clauses  (i),  (ii),  (iii) or (iv) of this  paragraph,  all Rights that are, or
(under  certain   circumstances   specified  in  the  Rights   Agreement)  were,
beneficially  owned by any Acquiring  Person who was involved in the transaction
giving  rise to any such  event will be null and void.  However,  Rights are not
exercisable  following the occurrence of any of the events set forth above until
such time as the Rights  are no longer  redeemable  by the  Company as set forth
below.

                  For example,  at an exercise  price of $33.00 per Right,  each
Right  not  otherwise  voided  following  an event  set  forth in the  preceding
paragraph would entitle its holder to purchase $66.00 worth of Common Shares (or
other consideration, as noted above) for $33.00. Assuming that the Common Shares
had a per share  value of $11.00 at such time,  the  holder of each valid  Right
would be  entitled to purchase 6 Common  Shares for $33.00.  Alternatively,  the
Company could permit the holder to surrender each Right in exchange for stock or
cash  equivalent to 3 Common Shares (with a value of $33.00) without the payment
of any consideration other than the surrender of the Right.

                  In the event that, at any time following the Stock Acquisition
Date,  (i) the  Company is acquired  in a merger or other  business  combination
transaction in which the Company is not the surviving  corporation (other than a
merger that is described  in, or that  follows a tender offer or exchange  offer
described  in,  the  second  preceding  paragraph),  or (ii)  50% or more of the
Company's assets or earning power is sold or transferred, each holder of a Right
(except  Rights  that  previously  have been  voided as set forth  above)  shall
thereafter  have the  right to  receive,  upon  exercise,  common  shares of the
acquiring  company  having a value equal to two times the exercise  price of the

<PAGE>

Right.  Again,  provision is made to permit  surrender of the Rights in exchange
for one-half of the value  otherwise  purchasable.  The events set forth in this
paragraph  and  in  the  second  preceding  paragraph  are  referred  to as  the
"Triggering Events."

                  The  Purchase  Price  payable,  and the  number  of  Units  of
Preferred Shares or other  securities or property  issuable upon exercise of the
Rights,  are subject to adjustment from time to time to prevent  dilution (i) in
the  event  of  a  stock   dividend  on,  or  a   subdivision,   combination  or
reclassification  of, the  Preferred  Shares,  (ii) if holders of the  Preferred
Shares are granted certain rights or warrants to subscribe for Preferred  Shares
or convertible securities at less than the current market price of the Preferred
Shares,  or (iii) upon the  distribution  to holders of the Preferred  Shares of
evidences of indebtedness or assets (excluding  regular quarterly  dividends) or
of subscription rights or warrants (other than those referred to above).

                  With certain  exceptions,  no adjustment in the Purchase Price
will be  required  until  cumulative  adjustments  amount  to at least 1% of the
Purchase  Price.  No fractional  Units will be issued and, in lieu  thereof,  an
adjustment  in cash  will be made  based on the  market  price of the  Preferred
Shares on the last trading date prior to the date of exercise.

                  At any time  until ten days  following  the Stock  Acquisition
Date, the Company may redeem the Rights in whole, but not in part, at a price of
$.01 per Right.  That ten day redemption  period may be extended by the Board of
Directors  so  long  as  the  Rights  are  still   redeemable.   Under   certain
circumstances  set forth in the Rights  Agreement,  the  decision to redeem will
require the concurrence of a majority of the Continuing  Directors.  Immediately
upon the action of the Board of  Directors  ordering  redemption  of the Rights,
with, where required,  the concurrence of the Continuing  Directors,  the Rights
will  terminate  and the only right of the  holders of Rights will be to receive
the $.01 redemption price.

                  The term "Continuing  Directors" means any member of the Board
of  Directors  of the Company who was a member of the Board prior to the date of
the Rights Agreement, and any person who is subsequently elected to the Board if
such  person  is  recommended  or  approved  by a  majority  of  the  Continuing
Directors,  but shall not  include  an  Acquiring  Person,  or an  affiliate  or
associate  of an  Acquiring  Person,  or any  representative  of  the  foregoing
entities.

                  Until a Right is exercised,  the holder thereof, as such, will
have no rights as a stockholder of the Company,  including,  without limitation,
the right to vote or to receive dividends.  While the distribution of the Rights
will  not be  taxable  to  stockholders  or to the  Company,  stockholders  may,
depending upon the circumstances, recognize taxable income in the event that the
Rights become  exercisable for Preferred Shares (or other  consideration) of the
Company or for common shares of the acquiring company as set forth above.

                  Other than those provisions relating to the principal economic
terms of the  Rights,  any of the  provisions  of the  Rights  Agreement  may be
amended by the Board of Directors of the Company prior to the Distribution Date.
After the  Distribution  Date,  the  provisions  of the Rights  Agreement may be
amended by the Board in order to cure any ambiguity, to make changes that do not

<PAGE>

adversely affect the interests of holders of Rights  (excluding the interests of
any  Acquiring  Person),  or to shorten or lengthen  any time  period  under the
Rights Agreement; provided, however, that no amendment to adjust the time period
governing redemption shall be made at such time as the Rights are not redeemable
under certain  circumstances set forth in the Rights Agreement,  amendments will
require the concurrence of the Continuing Directors.

                  A copy  of the  Rights  Agreement  is  being  filed  with  the
Securities and Exchange  Commission as an Exhibit to this Current Report on Form
8-K. This summary  description of the Rights does not purport to be complete and
is qualified in its  entirety by  reference  to the Rights  Agreement,  which is
incorporated herein by reference.


Item 7.      Financial Statements, Pro Forma Financial Information and Exhibits.

                  (c) Exhibits.

                  Exhibit No.                        Exhibit

                  4.1                                Rights Agreement,  dated as
                                                     of June 23,  1997,  between
                                                     National Patent Development
                                                     Corporation    and   Harris
                                                     Trust  Company of New York,
                                                     as  Rights   Agent,   which
                                                     includes,   as   Exhibit  A
                                                     thereto,  the Resolution of
                                                     the Board of Directors with
                                                     respect  to Series A Junior
                                                     Participating     Preferred
                                                     Stock,    as    Exhibit   B
                                                     thereto, the form of Rights
                                                     Certificate  and as Exhibit
                                                     C   thereto   the  form  of
                                                     Summary of Rights.

                  99                                 Press Release dated June 
                                                     24, 1997.


<PAGE>


                                    Signature

                  Pursuant to the requirements of the Securities Exchange Act of
1934,  the  registrant has duly caused this report to be signed on its behalf by
the undersigned thereunto duly authorized.

                                            NATIONAL PATENT DEVELOPMENT
                                            CORPORATION

                                            (Registrant)



Dated:  July 17, 1997                       By: Jerome I. Feldman
                                                President and Chief Executive 
                                                Officer


<PAGE>





                                  EXHIBIT INDEX


 Exhibit No.   Description                                              Page
 -----------   -----------                                              ----

    4.1        Rights Agreement, dated as of June 23, 1997, between
               National Patent Development Corporation and Harris
               Trust Company of New York, as Rights Agent, which
               includes, as Exhibit A thereto, the Resolution of
               the Board of Directors with respect to Series A Junior 
               Participating Preferred Stock, as Exhibit B thereto,
               the form of Rights Certificate and as Exhibit C thereto
               the form of Summary of Rights.

    99         Press Release dated June 24, 1997.





                                                      Exhibit 4.1





                     NATIONAL PATENT DEVELOPMENT CORPORATION

                                       and

                        HARRIS TRUST COMPANY OF NEW YORK

                                 as Rights Agent





                                RIGHTS AGREEMENT

                            Dated as of June 23, 1997









<PAGE>



                              Table of Contents

                                                                    Page

Section 1.  Certain Definitions                                      1

Section 2.  Appointment of Rights Agent                              6

Section 3.  Issue of Rights Certificates                             6

Section 4.  Form of Rights Certificates                              8

Section 5.  Countersignature and Registration                        9

Section 6.  Transfer, Split Up, Combination and Exchange of
            Rights Certificates; Mutilated, Destroyed, Lost
            or Stolen Rights Certificates                           10

Section 7.  Exercise of Rights; Purchase Price; Expiration
            Date of Rights                                          11

Section 8.  Cancellation and Destruction of Rights 
            Certificates                                            13

Section 9.  Reservation and Availability of Capital Stock;
            Registration of Securities                              14

Section 10. Capital Stock Record Date                               15

Section 11. Adjustment of Purchase Price, Number and
            Kind of Shares or Number of Rights                      16

Section 12. Certificate of Adjusted Purchase Price or
            Number of Shares                                        27

Section 13. Consolidation, Merger or Sale or Transfer
            of Assets or Earning Power                              28

Section 14. Fractional Rights and Fractional Shares                 31

Section 15. Rights of Action                                        32

Section 16. Agreement of Rights Holders                             33

<PAGE>

Section 17. Rights Certificate Holder Not Deemed a
            Stockholde                                              34

Section 18. Concerning the Rights Agent                             34

Section 19. Merger or Consolidation or Change of
            Name of Rights Agent                                    35

Section 20. Duties of Rights Agent                                  35

Section 21. Change of Rights Agent                                  38

Section 22. Issuance of New Rights Certificates                     39

Section 23. Redemption and Termination                              40

Section 24. Notice of Certain Events                                42

Section 25. Notices                                                 43

Section 26. Supplements and Amendments                              43

Section 27. Successors                                              44

Section 28. Determinations and Actions by the Board of Directors,
            etc.                                                    44

Section 29. Benefits of this Agreement                              45

Section 30. Severability                                            45

Section 31. Governing Law                                           46

Section 32. Counterparts                                            46

Section 33. Descriptive Headings                                    46



Exhibit A --Resolution of the Board of Directors with respect to Series A Junior
            Participating Preferred Stock

Exhibit B --Form of Rights Certificate

Exhibit C --Form of Summary of Rights





<PAGE>




            



                             RIGHTS AGREEMENT

            RIGHTS  AGREEMENT,  dated as of June  23,  1997  (the  "Agreement"),
between National Patent  Development  Corporation,  a Delaware  corporation (the
"Company"), and Harris Trust Company of New York, a national banking association
(the "Rights Agent").

                              W I T N E S S E T H

            WHEREAS, on June 23, 1997 (the "Rights Dividend  Declaration Date"),
the Board of  Directors  of the  Company  authorized  and  declared  a  dividend
distribution of one Right for each Common Share (as hereinafter  defined) of the
Company outstanding at the close of business on July 3, 1997 (the "Record Date")
(which for these purposes shall include all Common Shares presently  entitled to
receive  dividends) and has authorized the issuance of one Right (as such number
may  hereafter be adjusted  pursuant to the  provisions of Section 11(p) hereof)
for each Common  Share of the Company  issued  between the Record Date  (whether
originally issued or delivered from the Company's treasury) and the Distribution
Date (as hereinafter  defined),  each Right initially  representing the right to
purchase one one thousandth of a Preferred Share (as hereinafter defined) of the
Company having the rights,  powers and  preferences set forth in the form of the
Resolution  of the Board of  Directors  attached  hereto as  Exhibit A, upon the
terms and subject to the conditions hereinafter set forth (the "Rights").

            WHEREAS,  the  Rights  will be held by the Rights  Agent  under this
Agreement as trustee for the  stockholders of the Company until the Distribution
Date.

            WHEREAS,  the  Board of  Directors  of the  Company  has  considered
whether  approval of this Agreement and the distribution of the Rights is in the
best interests of the Company and all other pertinent factors.

            NOW,  THEREFORE,  in  consideration  of the  premises and the mutual
agreements  herein set forth,  and  intending to be legally  bound  hereby,  the
parties hereby agree as follows:

  For purposes of this Agreement, the following terms have the meanings
indicated:

            (a) "Acquiring Person" shall mean any Person who or which,  together
with all Affiliates and Associates of such Person, shall be the Beneficial Owner
of 20% or more of the Common Shares then outstanding,  but shall not include the
Company, any Subsidiary of the Company, any employee benefit plan of the Company
or of any  Subsidiary  of  the  Company,  or any  Person  or  entity  organized,
appointed or established by the Company for or pursuant to the terms of any such

<PAGE>

plan, or an Exempted  Person.  Notwithstanding  the  foregoing,  no Person shall
become an "Acquiring Person" as the result of an acquisition of Common Shares by
the  Company  which,  by  reducing  the  number  of Common  Shares  outstanding,
increases the proportionate  number of Common Shares  beneficially owned by such
Person to 20% or more of the Common Shares then outstanding;  provided, however,
that if a Person  shall become the  Beneficial  Owner of 20% or more of the then
outstanding  Common Shares by reason of Common  Shares  purchased by the Company
and shall,  after such share  purchases  by the Company,  become the  Beneficial
Owner of any additional Common Shares, then such Person shall be deemed to be an
"Acquiring  Person."  Notwithstanding  the  foregoing,  if  a  majority  of  the
Continuing  Directors then in office  determines in good faith that a Person who
would otherwise be an "Acquiring  Person",  as defined pursuant to the foregoing
provisions of this paragraph (a), has become such inadvertently, and such Person
divests as promptly as practicable a sufficient  number of Common Shares so that
such Person would no longer be an Acquiring  Person,  as defined pursuant to the
foregoing provisions of this paragraph (a), then such Person shall not be deemed
to be an "Acquiring Person" for purposes of this Agreement.

                  (b)  "Adjustment Shares" shall have the meaning set
forth in Section 11(a)(ii).

                  (c)  "Affiliate"  and  "Associate"  shall have the  respective
meanings  ascribed  to such  terms  in  Rule  12b-2  of the  General  Rules  and
Regulations under the Exchange Act.

                  (d) A Person  shall be deemed the  "Beneficial  Owner" of, and
shall be deemed to "beneficially own," any securities:

                  (i) that such  Person or any of such  Person's  Affiliates  or
      Associates, directly or indirectly, has the right to acquire (whether such
      right is  exercisable  immediately  or only  after  the  passage  of time)
      pursuant to any agreement, arrangement or understanding (whether or not in
      writing)  or upon the  exercise of  conversion  rights,  exchange  rights,
      rights,  warrants or options,  or  otherwise;  provided,  however,  that a
      Person shall not be deemed the "Beneficial  Owner" of, or to "beneficially
      own," (A) securities  tendered pursuant to a tender or exchange offer made
      by such Person or any of such Person's Affiliates or Associates until such
      tendered securities are accepted for payment, purchase or exchange, or (B)
      securities  issuable  upon  exercise  of Rights  at any time  prior to the

<PAGE>

      occurrence of a Triggering Event, or (C) securities issuable upon exercise
      of Rights from and after the occurrence of a Triggering Event which Rights
      were  acquired  by such  Person  or any of  such  Person's  Affiliates  or
      Associates prior to the  Distribution  Date or pursuant to Section 3(a) or
      Section 22 hereof (the  "Original  Rights")  or pursuant to Section  11(i)
      hereof in connection  with an adjustment made with respect to any Original
      Rights;

                  (ii) that such Person or any of such  Person's  Affiliates  or
      Associates, directly or indirectly, has the right to vote or dispose of or
      has "beneficial ownership" of (as determined pursuant to Rule 13d-3 of the
      General Rules and Regulations  under the Exchange Act),  including without
      limitation  pursuant  to  any  agreement,  arrangement  or  understanding,
      whether or not in writing;  provided,  however, that a Person shall not be
      deemed the "Beneficial  Owner" of, or to "beneficially  own," any security
      under this subparagraph (ii) as a result of an oral or written  agreement,
      arrangement  or  understanding  to vote such  security if such  agreement,
      arrangement  or  understanding:  (A) arises solely from a revocable  proxy
      given in response to a public proxy or consent  solicitation made pursuant
      to, and in accordance with, the applicable provisions of the General Rules
      and  Regulations  under  the  Exchange  Act,  and  (B)  is not  also  then
      reportable  by such Person on Schedule  13D under the Exchange Act (or any
      comparable or successor report); or

                  (iii) that are beneficially owned, directly or indirectly,  by
      any other Person (or any  Affiliate or Associate  thereof) with which such
      Person  (or  any of  such  Person's  Affiliates  or  Associates)  has  any
      agreement,  arrangement or understanding  (whether or not in writing), for
      the purpose of acquiring,  holding, voting (except pursuant to a revocable
      proxy as described in the proviso to  subparagraph  (ii) of this paragraph
      (d)) or disposing of any voting securities of the Company,

provided,  however,  that  nothing in this  paragraph  (d) shall  cause a person
engaged in business as an underwriter of securities to be the "Beneficial Owner"
of, or to  "beneficially  own," any  securities  acquired  through such person's
participation  in  good  faith  in a  firm  commitment  underwriting  until  the
expiration of forty days after the date of such acquisition.

                  (e)  "Business  Day" shall mean any day other than a Saturday,
Sunday  or a day on which  banking  institutions  in the State of  Illinois  are
authorized or obligated by law or executive order to close.

<PAGE>

                  (f)  "Close of  business"  on any given  date  shall mean 5:00
P.M., Chicago time, on such date; provided,  however, that if such date is not a
Business  Day it shall  mean 5:00 P.M.,  Chicago  time,  on the next  succeeding
Business Day.

                  (g) "Common Share" shall mean (x) a share of Common Stock, par
value $.01 per share,  of the  Company or (y) a share of Class B Capital  Stock,
par value $.01 per share, of the Company and, to the extent that there are not a
sufficient number of Common Shares authorized to permit the full exercise of the
Rights,  shares of any other class or series of the Company  designated for such
purpose  containing  terms  substantially  similar  to the  terms of the  Common
Shares,  except that "Common Share" when used with reference to any Person other
than the Company  shall mean the shares of capital stock of such Person with the
greatest voting power, or the equity  securities or other equity interest having
power to control or direct the management, of such Person.

                  (h)  "Company" shall have the meaning set forth in the
forepart hereof.

                  (i)  "Continuing  Director"  shall  mean (i) any member of the
Board of Directors  of the Company,  while such Person is a member of the Board,
who is not an  Acquiring  Person,  or an  Affiliate or Associate of an Acquiring
Person,  or a representative  of an Acquiring Person or of any such Affiliate or
Associate, and was a member of the Board prior to the date of this Agreement, or
(ii) any  Person  who  subsequently  becomes a member of the  Board,  while such
Person is a member of the Board, who is not an Acquiring Person, or an Affiliate
or Associate of an Acquiring  Person, or a representative of an Acquiring Person
or of any such Affiliate or Associate,  if such Person's nomination for election
or  election  to the Board is  recommended  or  approved  by a  majority  of the
Continuing Directors.

                  (j)  "Current Value" shall have the meaning set forth
in Section 11(a)(iii) hereof.

                  (k)  "Distribution Date" shall have the meaning set
forth in Section 3(a) hereof.

                  (l)  "Exchange Act" shall mean the Securities Exchange
Act of 1934, as amended.

<PAGE>

                  (m)  "Exempted  Persons"  shall mean the Persons  known to the
Company on the Rights Dividend Declaration Date as the Beneficial Owners of more
than 20% of the then outstanding Common Shares.

                  (n)  "Expiration Date" shall have the meaning set
forth in Section 7(a) hereof.

                  (o) "Final  Expiration  Date" shall have the meaning set forth
in Section 7(a) hereof.

                  (p)  "NASDAQ" shall have the meaning set forth in
Section 11(d)(i) hereof.

                  (q)  "Original Rights" shall have the meaning set
forth in Section 1(d)(i).

                  (r) "Person" shall mean any natural person, firm, corporation,
partnership,  limited  partnership,  limited  liability  company or partnership,
other  business  organization,   trust,  union,   association  or  other  entity
(including governmental and quasi-governmental agencies).

                  (s)  "Preferred  Share"  shall mean a share of Series A Junior
Participating  Preferred Stock, par value $.01 per share, of the Company and, to
the extent that there are not a  sufficient  number of shares of Series A Junior
Participating  Preferred  Stock  authorized  to permit the full  exercise of the
Rights,  shares of any other series of Preferred Stock of the Company designated
for such  purpose  containing  terms  substantially  similar to the terms of the
Series A Junior Participating Preferred Stock.

                  (t)  "Preferred Share Fraction" shall mean one one
thousandth of a Preferred Share.

                  (u)  "Purchase Price" shall have the meaning set forth
in Section 4(a) hereof.

                  (v)  "Record Date" shall have the meaning set forth in
recitals hereof.

                  (w)  "Rights" shall have the meaning set forth in
recitals hereof.

<PAGE>

                  (x)  "Rights Agent" shall have the meaning set forth
in the forepart hereof.

                  (y) "Rights Dividend  Declaration Date" shall have the meaning
set forth in the recitals hereof.

                  (z) "Section  11(a)(ii)  Event" shall mean any event described
in Section 11(a)(ii) (A), (B) or (C) hereof.

                  (aa)  "Section  13 Event"  shall mean any event  described  in
Section 13(a) hereof.

                  (bb)  "Securities Act" shall mean the Securities Act
of 1933, as amended.

                  (cc)  "Spread" shall have the meaning set forth in
Section 11(a)(iii) hereof.

                  (dd)  "Stock  Acquisition  Date"  shall mean the first date of
public  announcement  (which,  for purposes of this  definition,  shall include,
without limitation,  a report filed pursuant to Section 13(d) under the Exchange
Act) by the Company or an Acquiring  Person that an Acquiring  Person has become
such.

                  (ee) "Subsidiary" shall have the meaning ascribed to such term
in Rule 12b-2 of the General Rules and Regulations under the Exchange Act.

                  (ff)  "Summary of Rights"  shall have the meaning set forth in
Section 3(b) hereof.

                  (gg) "Trading Day" shall have the meaning set forth in Section
11(d)(i) hereof.

                  (hh) "Triggering Event" shall mean any Section 11(a)(ii) Event
or any Section 13 Event.

                  Unless otherwise specified, where reference is made in
this Agreement to sections of, and the General Rules and Regulations
under, the Exchange Act, such reference shall mean such sections and
rules as amended from time to time and any successor provisions thereto.

<PAGE>

           Section 2.  Appointment of Rights Agent

                  (a) The Company  hereby  appoints  the Rights  Agent to act as
agent for the Company and trustee for the beneficial  owners of the Rights (who,
in accordance with Section 3 hereof,  shall prior to the Distribution  Date also
be the holders of the Common Shares) in accordance with the terms and conditions
hereof,  and the Rights Agent hereby accepts such  appointment.  The Company may
from time to time  appoint  such  Co-Rights  Agents as it may deem  necessary or
desirable.

                  (b) On the Record  Date,  the  Company  will  deliver a Rights
Certificate  to the Rights Agent,  registered in the name of the Rights Agent as
trustee for the beneficial owners of the Rights  represented  thereby,  for that
number of Rights equal to the number of Common Shares issued and  outstanding on
the Record Date, and the Rights Agent shall hold the Rights represented  thereby
in trust for the  beneficial  owners in accordance  with the  provisions of this
Agreement.

 .           Section 3.  Issue of Rights Certificates

                  (a) Until the  earlier  of (i) the  close of  business  on the
tenth day after a Stock  Acquisition Date involving an Acquiring Person that has
become such in a transaction as to which the Board of Directors has not made the
determination  referred to in Section  11(a)(ii)(B)  hereof or (ii) the close of
business on such date as may be fixed by the Board of  Directors  of the Company
by notice to the Rights Agent and publicly announced by the Company,  which date
shall not be later than 65 days after the date that a tender or  exchange  offer
by any person  (other than the  Company,  any  Subsidiary  of the  Company,  any
employee benefit plan of the Company or of any Subsidiary of the Company, or any
Person or entity  organized,  appointed  or  established  by the  Company for or
pursuant to the terms of any such plan or an Exempted Person) is first published
or sent or given  within the meaning of Rule  14d-2(a) of the General  Rules and
Regulations  under the Exchange Act, if upon consummation  thereof,  such Person
would  be the  Beneficial  Owner  of 20% or  more  of  the  Common  Shares  then
outstanding  (the  earlier  of (i) and  (ii)  being  herein  referred  to as the
"Distribution  Date"), (x) beneficial  interests in the Rights will be evidenced
(subject  to  the  provisions  of  paragraph  (b)  of  this  Section  3) by  the
certificates for the Common Shares registered in the names of the holders of the
Common Shares (which  certificates  for Common Shares shall be deemed also to be
certificates  for  beneficial  interests  in the  Rights)  and  not by  separate
certificates,  and (y) the  Rights  and  beneficial  interests  therein  will be
transferable  only in  connection  with the  transfer of the  underlying  Common
Shares  (including a transfer to the Company).  As soon as practicable after the

<PAGE>

Distribution  Date,  the Rights Agent will at the expense of the Company send by
first-class,  insured, postage prepaid mail, to each record holder of the Common
Shares as of the close of business on the  Distribution  Date, at the address of
such  holder  shown  on  the  records  of  the  Company,   one  or  more  rights
certificates,  in  substantially  the  form of  Exhibit  B hereto  (the  "Rights
Certificates"),  evidencing one Right for each Common Share so held,  subject to
adjustment as provided herein.  In the event that an adjustment in the number of
Rights per Common Share has been made pursuant to Section  11(p) hereof,  at the
time of  distribution  of the Rights  Certificates,  the Company  shall make the
necessary and appropriate rounding adjustments (in accordance with Section 14(a)
hereof) so that Rights  Certificates  representing  only whole numbers of Rights
are  distributed  and cash is paid in lieu of any fractional  Rights.  As of and
after the Distribution  Date, the Rights will be evidenced solely by such Rights
Certificates.  Upon the  distribution of the Rights  Certificates as provided in
this subsection (a), the trust created hereby shall cease.

                  (b) As promptly as practicable  following the Record Date, the
Company will send a copy of a Summary of Rights,  in  substantially  the form of
Exhibit C hereto (the  "Summary of Rights"),  by  first-class,  postage  prepaid
mail,  to each record holder of the Common Shares as of the close of business on
the Record  Date,  at the  address of such  holder  shown on the  records of the
Company.  With respect to certificates  for the Common Shares  outstanding as of
the Record Date, until the Distribution Date, beneficial interests in the Rights
will be evidenced by such  certificates for the Common Shares and the registered
holders  of the  Common  Shares  shall  also be the  registered  holders  of the
beneficial  interests  in  the  associated  Rights.  Until  the  earlier  of the
Distribution  Date or the Expiration  Date (as such term is defined in Section 7
hereof), the transfer of any certificates  representing Common Shares in respect
of which  Rights  have been issued  shall also  constitute  the  transfer of the
Rights associated with such Common Shares.  Certificates issued after the Record
Date upon the  transfer of Common  Shares  outstanding  on the Record Date shall
bear the legend set forth in subsection (c).

                  (c) Except as provided in Section 22 hereof,  Rights  shall be
issued in respect  of all Common  Shares  that are  issued  (whether  originally
issued or delivered from the Company's treasury) after the Record Date but prior
to the earlier of the  Distribution  Date or the Expiration  Date.  Certificates
representing  such Common  Shares  shall also be deemed to be  certificates  for
beneficial  interests in the  associated  Rights,  and shall bear the  following
legend:

                  "This certificate also evidences a beneficial  interest in and
      entitles  the holder  hereof to certain  Rights as set forth in the Rights
      Agreement between National Patent Development  Corporation (the "Company")
      and Harris Trust Company of New York (the "Rights Agent") dated as of June
      23, 1997 (the  "Rights  Agreement"),  and as the same may be amended  from

<PAGE>

      time to time,  the  terms of  which  are  hereby  incorporated  herein  by
      reference and a copy of which is on file at the  principal  offices of the
      Company.  Under  certain  circumstances,   as  set  forth  in  the  Rights
      Agreement,  such Rights will be  evidenced  by separate  certificates  and
      beneficial   interests  therein  will  no  longer  be  evidenced  by  this
      certificate.  The Company  will mail to the holder of this  certificate  a
      copy of the Rights Agreement, as in effect on the date of mailing, without
      charge,  promptly  after  receipt  of a written  request  therefor.  Under
      certain circumstances set forth in the Rights Agreement, Rights issued to,
      or held by, any Person who is, was or becomes an  Acquiring  Person or any
      Affiliate  or  Associate  thereof (as such terms are defined in the Rights
      Agreement),  whether  currently  held by or on behalf of such Person or by
      any subsequent holder, may become null and void."

With respect to such  certificates  containing the foregoing  legend,  until the
earlier of (i) the  Distribution  Date or (ii) the Expiration  Date,  beneficial
interests in the Rights  associated  with the Common Shares  represented by such
certificates  shall be  evidenced  by such  certificates  alone  and  registered
holders of Common  Shares  shall also be the  registered  holders of  beneficial
interests in the associated Rights, and the transfer of any of such certificates
shall  also  constitute  the  transfer  of  beneficial  interests  in the Rights
associated with the Common Shares represented by such certificates.

 .           Section 4.  Form of Rights Certificates

                  (a) The  Rights  Certificates  (and the forms of  election  to
purchase and of assignment to be printed on the reverse  thereof)  shall each be
substantially  in the form set forth in Exhibit B hereto and may have such marks
of  identification  or designation  and such legends,  summaries or endorsements
printed thereon as the Company may deem  appropriate and as are not inconsistent
with the provisions of this Agreement,  or as may be required to comply with any
applicable law or with any rule or regulation made pursuant  thereto or with any
rule or  regulation  of any stock  exchange on which the Rights may from time to
time be listed, or to conform to usage.  Subject to the provisions of Section 11
and Section 22 hereof,  the Rights  Certificates,  whenever  distributed,  shall
entitle the holders thereof to purchase such number of Preferred Share Fractions
as shall be set forth  therein  at the price set forth  therein  (such  exercise
price per Preferred Share Fraction,  the "Purchase  Price"),  but the amount and
type of securities  purchasable upon the exercise of each Right and the Purchase
Price thereof shall be subject to adjustment as provided herein.

<PAGE>

                  (b) Any Rights  Certificate issued pursuant to Section 3(a) or
Section 22 hereof that represents Rights that the Company knows are beneficially
owned by: (i) an Acquiring  Person or any Associate or Affiliate of an Acquiring
Person,  (ii) a transferee of an Acquiring  Person (or of any such  Associate or
Affiliate) who becomes a transferee  after the Acquiring  Person becomes such or
(iii)  a  transferee  of an  Acquiring  Person  (or of  any  such  Associate  or
Affiliate) who becomes a transferee prior to or concurrently  with the Acquiring
Person  becoming such and receives such Rights pursuant to either (A) a transfer
(whether  or not for  consideration)  from the  Acquiring  Person to  holders of
equity  interests  in such  Acquiring  Person  or to any  Person  with whom such
Acquiring Person has any continuing oral or written plan, agreement, arrangement
or  understanding  regarding the  transferred  Rights or (B) a transfer that the
Board of Directors of the Company has  determined  is part of an oral or written
plan,  agreement,  arrangement or understanding that has as a primary purpose or
effect  avoidance  of Section  7(e) hereof,  and any Rights  Certificate  issued
pursuant to Section 6 or Section 11 hereof upon transfer, exchange,  replacement
or  adjustment  of any other Rights  Certificate  referred to in this  sentence,
shall contain (to the extent feasible) the following legend:

      "The  Rights   represented  by  this  Rights   Certificate   are  or  were
      beneficially owned by a Person who was or became an Acquiring Person or an
      Affiliate or  Associate of an Acquiring  Person (as such terms are defined
      in the Rights  Agreement).  Accordingly,  this Rights  Certificate and the
      Rights  represented  hereby may become null and void in the  circumstances
      specified in Section 7(e) of such Agreement."

 .           Section 5.  Countersignature and Registration

                  (a) The Rights Certificates shall be executed on behalf of the
Company by its  President  and Chief  Executive  Officer or the  Executive  Vice
President or any Vice President,  either manually or by facsimile signature, and
shall have affixed thereto the Company's seal or a facsimile thereof which shall
be attested by the  Secretary  of the Company,  either  manually or by facsimile
signature. The Rights Certificates shall be manually countersigned by the Rights
Agent and shall not be valid for any purpose  unless so  countersigned.  In case
any officer of the Company who shall have signed any of the Rights  Certificates
shall cease to be such  officer of the Company  before  countersignature  by the
Rights Agent and issuance and delivery by the Company, such Rights Certificates,
nevertheless,  may be countersigned by the Rights Agent and issued and delivered
by the  Company  with the same  force and effect as though the person who signed
such Rights  Certificates had not ceased to be such officer of the Company;  and

<PAGE>

any  Rights  Certificates  may be signed on behalf of the  Company by any person
who, at the actual date of the execution of such Rights Certificate,  shall be a
proper officer of the Company to sign such Rights  Certificate,  although at the
date of the execution of this Agreement any such person was not such an officer.

                  (b) Following  the  Distribution  Date,  the Rights Agent will
keep or cause to be kept, at its principal  office or offices  designated as the
appropriate  place  for  surrender  of  Rights  Certificates  upon  exercise  or
transfer,  books for registration and transfer of the Rights Certificates issued
hereunder.  Such books  shall  show the names and  addresses  of the  respective
holders of the Rights  Certificates,  the number of Rights evidenced on its face
by each of the Rights Certificates,  the Certificate number and the date of each
of the Rights Certificates.

            Section 6.  Transfer, Split Up, Combination and Exchange of
Rights Certificates; Mutilated, Destroyed, Lost or Stolen Rights
 .ertificates

                  (a) Subject to the  provisions of Section  4(b),  Section 7(e)
and  Section  14  hereof,  at any  time  after  the  close  of  business  on the
Distribution  Date,  and at or prior to the close of business on the  Expiration
Date, any Rights  Certificate or Rights  Certificates may be transferred,  split
up, combined or exchanged for another Rights Certificate or Rights Certificates,
entitling  the  registered  holder to purchase a like number of Preferred  Share
Fractions (or, following a Triggering Event,  Common Shares or other securities,
cash  or  other  assets,  as the  case  may be,  as the  Rights  Certificate  or
Certificates  surrendered then entitled such holder or former holder in the case
of a transfer to purchase).  Any registered  holder desiring to transfer,  split
up, combine or exchange any Rights Certificate or Rights Certificates shall make
such request in writing  delivered to the Rights Agent,  and shall surrender the
Rights Certificate or Rights Certificates to be transferred,  split up, combined
or exchanged at the principal  office or offices of the Rights Agent  designated
for such purpose. Neither the Rights Agent nor the Company shall be obligated to
take any action  whatsoever with respect to the transfer of any such surrendered
Rights  Certificate  until the registered holder shall have completed and signed
the certificate  contained in the form of assignment on the reverse side of such
Rights  Certificate  and shall have  provided  such  additional  evidence of the
identity of the Beneficial Owner (or former  Beneficial  Owner) or Affiliates or
Associates thereof as the Company shall reasonably request. Thereupon the Rights
Agent  shall,  subject  to Section  4(b),  Section  7(e) and  Section 14 hereof,
countersign and deliver to the Person entitled  thereto a Rights  Certificate or
Rights  Certificates,  as the case may be,  as so  requested.  The  Company  may
require payment of a sum sufficient to cover any tax or governmental charge that
may be  imposed  in  connection  with any  transfer,  split up,  combination  or
exchange of Rights Certificates.

<PAGE>

                  (b)  Upon  receipt  by the  Company  and the  Rights  Agent of
evidence  reasonably  satisfactory  to them of the loss,  theft,  destruction or
mutilation of a Rights Certificate,  and, in case of loss, theft or destruction,
of indemnity or security  reasonably  satisfactory to them, and reimbursement to
the Company and the Rights Agent of all reasonable  expenses incidental thereto,
and  upon  surrender  to  the  Rights  Agent  and  cancellation  of  the  Rights
Certificate  if  mutilated,  the Company  will  execute and deliver a new Rights
Certificate of like tenor to the Rights Agent for  countersignature and delivery
to the  registered  owner in lieu of the  Rights  Certificate  so lost,  stolen,
destroyed or mutilated.

            Section 7.  Exercise of Rights; Purchase Price; Expiration
 .ate of Rights

                  (a) Subject to subsection  (e), the  registered  holder of any
Rights  Certificate  may  exercise  the  Rights  evidenced  thereby  (except  as
otherwise  provided herein including,  without  limitation,  the restrictions on
exercisability  set forth in Section 9(c),  Section 11(a)(iii) and Section 23(a)
hereof)  in  whole or in part at any  time  after  the  Distribution  Date  upon
surrender of the Rights  Certificate,  with the form of election to purchase and
the  certificate on the reverse side thereof duly executed,  to the Rights Agent
at the  principal  office or  offices of the Rights  Agent  designated  for such
purpose,  together  with  payment of the  aggregate  Purchase  Price  (except as
provided in Section  11(q) hereof) with respect to the total number of Preferred
Share Fractions (or Common Shares,  other  securities,  cash or other assets, as
the  case may be) as to  which  such  surrendered  Rights  are then  exercisable
(except as provided in Section 11(q) hereof), at or prior to the earliest of (i)
the close of business on July 3, 2007 (the "Final  Expiration  Date"),  (ii) the
consummation of a transaction  contemplated by Section 13(d) hereof or (iii) the
time at which the Rights are  redeemed or  terminated  as provided in Section 23
hereof  (the  earlier of (i),  (ii) and (iii)  being  herein  referred to as the
"Expiration Date").

                  (b) The  Purchase  Price  for each  Preferred  Share  Fraction
pursuant  to the  exercise of a Right shall  initially  be $33.00,  and shall be
subject to  adjustment  from time to time as  provided  in Sections 11 and 13(a)
hereof and shall be payable in accordance with subsection (c).

                  (c)  Upon  receipt  of  a  Rights   Certificate   representing
exercisable  Rights,  with the form of election to purchase and the  certificate
duly executed,  accompanied by payment, with respect to each Right so exercised,
of the Purchase  Price per Preferred  Share  Fraction (or Common  Shares,  other
securities,  cash or other  assets,  as the case may be) to be  purchased as set
forth below and an amount equal to any applicable transfer tax, the Rights Agent

<PAGE>

shall, subject to Section 14(b) and Section 20(k) hereof, thereupon promptly (i)
(A)  requisition  from any  transfer  agent  of the  Preferred  Shares  (or make
available,  if  the  Rights  Agent  is  the  transfer  agent  for  such  Shares)
certificates  for the total number of Preferred  Shares to be purchased  and the
Company hereby irrevocably authorizes its transfer agent to comply with all such
requests, or (B) if the Company shall have elected to deposit some or all of the
total number of Preferred  Shares issuable upon exercise of the Rights hereunder
with a  depositary  agent,  requisition  from the  depositary  agent  depositary
receipts  representing  such number of  Preferred  Share  Fractions as are to be
purchased (in which case  certificates for the Preferred  Shares  represented by
such  receipts  shall be  deposited by the  transfer  agent with the  depositary
agent) and the  Company  will  direct the  depositary  agent to comply with such
request,  (ii)  requisition  from the Company the amount of cash,  if any, to be
paid in lieu of fractional  shares in accordance  with Section 14 hereof,  (iii)
after receipt of such certificates or depositary receipts,  cause the same to be
delivered  to or  upon  the  order  of the  registered  holder  of  such  Rights
Certificate,  registered  in such  name or  names as may be  designated  by such
holder,  and (iv) after receipt  thereof,  deliver such cash, if any, to or upon
the order of the registered  holder of such Rights  Certificate.  The payment of
the Purchase Price (as such amount may be reduced pursuant to Section 11(a)(iii)
hereof) may be made,  at the  election of the holder of the Rights  Certificate,
(x) in cash or by  certified  bank check or money order  payable to the order of
the  Company or (y) by  delivery  of Rights if and to the extent  authorized  by
Section 11(q) hereof.  In the event that the Company is obligated to issue other
securities of the Company (including Common Shares),  pay cash and/or distribute
other  property  pursuant to Section  11(a)  hereof,  the Company  will make all
arrangements necessary so that such other securities, cash and/or other property
are available for distribution by the Rights Agent, if and when appropriate.

                  (d) In case the  registered  holder of any Rights  Certificate
shall  exercise  less  than  all the  Rights  evidenced  thereby,  a new  Rights
Certificate  evidencing  Rights  equivalent to the Rights remaining  unexercised
shall be issued by the Rights Agent and  delivered to, or upon the order of, the
registered holder of such Rights  Certificate,  registered in such name or names
as may be  designated  by such holder,  subject to the  provisions of Section 14
hereof.

                  (e)   Notwithstanding   anything  in  this  Agreement  to  the
contrary,  from and after the first occurrence of a Section 11(a)(ii) Event, any
Rights  beneficially  owned  by (i)  an  Acquiring  Person  or an  Associate  or
Affiliate of an Acquiring  Person,  (ii) a transferee of an Acquiring Person (or
of any such Associate or Affiliate) who becomes a transferee after the Acquiring
Person becomes such or (iii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee  prior to or concurrently  with
the Acquiring  Person  becoming such and receives such Rights pursuant to either

<PAGE>

(A) a transfer (whether or not for  consideration)  from the Acquiring Person to
holders of equity  interests in such Acquiring Person or to any Person with whom
the  Acquiring  Person  has any  continuing  oral or  written  plan,  agreement,
arrangement or understanding  regarding the transferred Rights or (B) a transfer
which the Board of Directors of the Company has determined is part of an oral or
written plan,  agreement,  arrangement or  understanding  which has as a primary
purpose or effect the avoidance of this Section 7(e), shall become null and void
without  any further  action and no holder of such Rights  shall have any rights
whatsoever  with respect to such  Rights,  whether  under any  provision of this
Agreement or otherwise;  provided, however, that the Rights held by an Acquiring
Person,  an Affiliate or Associate of an Acquiring  Person or the transferees of
such persons  referred to above shall not be voided unless the Acquiring  Person
in question or an  Affiliate  or  Associate  of such  Acquiring  Person shall be
involved in the  transaction  giving rise to the Section  11(a)(ii)  Event.  The
Company shall use all  reasonable  efforts to insure that the provisions of this
Section 7(e) and Section 4(b) hereof are complied  with, but neither the Company
nor  the  Rights  Agent  shall  have  any  liability  to any  holder  of  Rights
Certificates  or other Person as a result of the  Company's  failure to make any
determinations with respect to an Acquiring Person or its Affiliates, Associates
or transferees hereunder.

                  (f)   Notwithstanding   anything  in  this  Agreement  to  the
contrary,  neither  the  Rights  Agent nor the  Company  shall be  obligated  to
undertake any action with respect to a registered  holder upon the occurrence of
any  purported  exercise as set forth in this  Section 7 unless such  registered
holder shall have (i) completed and signed the certificate contained in the form
of election to purchase set forth on the reverse side of the Rights  Certificate
surrendered for such exercise and (ii) provided such additional  evidence of the
identity of the Beneficial Owner (or former  Beneficial  Owner) or Affiliates or
Associates thereof as the Company shall reasonably request.

            Section  8.  Cancellation  and  Destruction  of Rights . All  Rights
Certificates  surrendered  for the  purpose  of  exercise,  transfer,  split up,
combination  or  exchange  shall,  if  surrendered  to the Company or any of its
agents,  be delivered to the Rights Agent for cancellation or in cancelled form,
or, if surrendered to the Rights Agent,  shall be cancelled by it, and no Rights
Certificates  shall be issued in lieu thereof  except as expressly  permitted by
any of the provisions of this Agreement. The Company shall deliver to the Rights
Agent for cancellation and retirement,  and the Rights Agent shall so cancel and
retire,  any other  Rights  Certificate  purchased  or  acquired  by the Company
otherwise  than upon the exercise  thereof.  The Rights Agent shall  deliver all
cancelled Rights  Certificates to the Company,  or shall, at the written request
of the Company,  destroy such cancelled  Rights  Certificates,  and in such case
shall deliver a certificate of destruction thereof to the Company.

<PAGE>

            Section 9.  Reservation and Availability of Capital Stock;
Registration of Securities

                  (a) The Company  covenants and agrees that it will cause to be
reserved and kept available for issuance upon the exercise of outstanding Rights
as many of its  authorized  and unissued  Preferred  Shares (and,  following the
occurrence of a Triggering  Event,  out of its  authorized  and unissued  Common
Shares and/or other  securities or out of its  authorized and issued shares held
in its treasury),  which together shall at all times after the Distribution Date
be sufficient to permit the exercise in full of all outstanding Rights.

                  (b) So  long  as the  Preferred  Shares  (and,  following  the
occurrence of a Triggering Event,  Common Shares or other  securities)  issuable
and  deliverable  upon the  exercise of the Rights may be listed on any national
securities  exchange,  the Company shall use its best efforts to cause, from and
after  such  time  as the  Rights  become  exercisable,  all  shares  and  other
securities  reserved  for such  issuance  to be  listed  on such  exchange  upon
official notice of issuance upon such exercise.

                  (c) The  Company  shall use its best  efforts to (i) file,  as
soon as practicable  following the earliest date after the first occurrence of a
Section  11(a)(ii)  Event on which  the  consideration  to be  delivered  by the
Company  upon  exercise of the Rights has been  determined  in  accordance  with
Section  11(a)(iii)  hereof,  or as soon as is  required  by law  following  the
Distribution  Date, as the case may be, a  registration  statement or statements
under the  Securities  Act,  with  respect to the  securities  purchasable  upon
exercise  of the  Rights  on an  appropriate  form or  forms,  (ii)  cause  such
registration  statement or statements to become effective as soon as practicable
after such filing and (iii) cause such  registration  statement or statements to
remain effective (with a prospectus at all times meeting the requirements of the
Securities  Act) until the earlier of (A) the date as of which the Rights are no
longer exercisable for such securities and (B) the date of the expiration of the
Rights.  The Company will also take such action as may be appropriate  under, or
to ensure  compliance  with,  the  securities  or "blue sky" laws of the various
states in  connection  with the  exercisability  of the Rights.  The Company may
temporarily  suspend,  for a period of time not to exceed ninety (90) days after
the date set forth in clause (i) of the first sentence of this  subsection  (c),
the  exercisability of the Rights in order to prepare and file such registration
statement  and  permit it to become  effective.  Upon any such  suspension,  the
Company shall issue a public announcement stating that the exercisability of the
Rights has been temporarily suspended,  as well as a public announcement at such
time as the suspension is no longer in effect.  Notwithstanding any provision of

<PAGE>


this  Agreement  to the  contrary,  the Rights shall not be  exercisable  in any
jurisdiction unless the requisite  qualification in such jurisdiction shall have
been obtained.

                  (d) The  Company  covenants  and agrees  that it will take all
such  action as may be  necessary  to ensure  that all  Preferred  Shares  (and,
following a Triggering Event, Common Shares or other securities)  delivered upon
exercise of Rights shall, at the time of delivery of the  certificates  for such
shares or other securities  (subject to payment of the Purchase Price),  be duly
and validly authorized and issued and, with respect to Preferred Shares,  Common
Shares or other shares of capital stock, fully paid and nonassessable.

                  (e) The Company further  covenants and agrees that it will pay
when due and payable any and all  federal and state  transfer  taxes and charges
that may be  payable  in  respect  of the  issuance  or  delivery  of the Rights
Certificates  and of any  certificates for a number of Preferred Share Fractions
(or Common Shares or other securities,  as the case may be) upon the exercise of
Rights. The Company shall not, however, be required to pay any transfer tax that
may be payable in respect of any transfer or delivery of Rights  Certificates to
a Person other than, or the issuance or delivery of a number of Preferred  Share
Fractions (or Common Shares or other securities,  as the case may be) in respect
of a name other than that of the  registered  holder of the Rights  Certificates
evidencing  Rights   surrendered  for  exercise  or  to  issue  or  deliver  any
certificates  for a number of Preferred  Share  Fractions  (or Common  Shares or
other  securities,  as the  case  may  be)  in a name  other  than  that  of the
registered holder upon the exercise of any Rights until such tax shall have been
paid (any such tax being payable by the holder of such Rights Certificate at the
time  of  surrender)  or  until  it  has  been   established  to  the  Company's
satisfaction that no such tax is due.

          Section 10.  Capital Stock Record Date.  Each person in whose name any
certificate for a number of Preferred Share Fractions (or Common Shares or other
securities,  as the case may be) is issued upon the exercise of Rights shall for
all  purposes  be deemed to have  become the holder of record of such  Preferred
Share  Fractions  (or  Common  Shares or other  securities,  as the case may be)
represented thereby on, and such certificate shall be dated, the date upon which
the Rights  Certificate  evidencing such Rights was duly surrendered and payment
of the Purchase Price (and all applicable  transfer  taxes) was made;  provided,
however, that if the date of such surrender and payment is a date upon which the
applicable transfer books of the Company are closed, such Person shall be deemed
to have become the record holder of such shares  (fractional  or otherwise)  on,
and such certificate  shall be dated, the next succeeding  Business Day on which
the applicable transfer books

<PAGE>

of the Company are open. Prior to the exercise of the Rights evidenced  thereby,
the  holder of a Rights  Certificate  shall not be  entitled  to any rights of a
stockholder  of the Company with respect to shares for which the Rights shall be
exercisable,  including,  without  limitation,  the  right to vote,  to  receive
dividends or other distributions or to exercise any preemptive rights, and shall
not be entitled to receive any notice of any proceedings of the Company,  except
as provided herein.

            Section  11.  Adjustment  of Purchase  Price,  Number and Kind . The
Purchase Price,  the number and kind of shares and other  securities  covered by
each Right and the number of Rights  outstanding  are subject to adjustment from
time to time as provided in this Section 11.

                  (a) (i) In the event the  Company  shall at any time after the
      date of this  Agreement  (A)  declare a dividend  on any  security  of the
      Company  payable  in  Preferred  Shares,  (B)  subdivide  the  outstanding
      Preferred  Shares,  (C) combine the  outstanding  Preferred  Shares into a
      smaller number of shares or (D) issue any shares of its capital stock in a
      reclassification   of   the   Preferred   Shares   (including   any   such
      reclassification in connection with a consolidation or merger in which the
      Company is the continuing or surviving  corporation),  except as otherwise
      provided in this Section 11(a) and Section 7(e) hereof, the Purchase Price
      in  effect  at the time of the  record  date for such  dividend  or of the
      effective date of such subdivision,  combination or reclassification,  and
      the number and kind of Preferred  Shares or capital stock, as the case may
      be, issuable on such date, shall be  proportionately  adjusted so that the
      holder  of any  Right  exercised  after  such time  shall be  entitled  to
      receive, upon payment of the adjusted Purchase Price, the aggregate number
      and kind of Preferred  Shares or capital stock,  as the case may be, that,
      if such Right had been exercised  immediately  prior to such date and at a
      time when the Preferred  Share transfer books were open, such holder would
      have owned upon such  exercise  and been  entitled to receive by virtue of
      such dividend, subdivision,  combination or reclassification.  If an event
      occurs which would require an adjustment  under both this Section 11(a)(i)
      and Section 11(a)(ii) hereof, the adjustment  provided for in this Section
      11(a)(i)  shall be in  addition  to,  and  shall  be made  prior  to,  any
      adjustment required pursuant to Section 11(a)(ii) hereof.

                  (ii) In the event:

                        (A) any  Acquiring  Person or any Associate or Affiliate
            of any  Acquiring  Person,  at any time after the Stock  Acquisition
            Date,  directly or  indirectly,  (1) shall merge into the Company or
            otherwise  combine  with the Company  and the  Company  shall be the
            continuing or surviving  corporation  of such merger or  combination
            and the Common  Shares of the Company or other equity  securities of

<PAGE>

            the Company shall remain outstanding,  (2) shall, in one transaction
            or a series of  transactions,  transfer any assets to the Company or
            to any of its  Subsidiaries  in  exchange  (in whole or in part) for
            Common Shares, for shares of other equity securities of the Company,
            or for  securities  exercisable  for or  convertible  into shares of
            equity  securities  of the Company  (Common  Shares or otherwise) or
            otherwise  obtain from the Company,  with or without  consideration,
            any  additional  shares  of such  equity  securities  or  securities
            exercisable for or convertible into shares of such equity securities
            (other than  pursuant to a pro rata  distribution  to all holders of
            Common Shares), (3) shall sell, purchase, lease, exchange, mortgage,
            pledge,  transfer or  otherwise  acquire or dispose of assets in one
            transaction  or a series of  transactions,  to, from or with (as the
            case may be) the  Company or any of its  Subsidiaries,  on terms and
            conditions  less  favorable to the Company than the Company would be
            able to  obtain in  arm's-length  negotiation  with an  unaffiliated
            third party,  other than  pursuant to a Section 13 Event,  (4) shall
            sell,  purchase,  lease,  exchange,  mortgage,  pledge,  transfer or
            otherwise  acquire  or dispose of assets  having an  aggregate  fair
            market value of more than  $5,000,000 in one transaction or a series
            of  transactions,  to, from or with (as the case may be) the Company
            or any of the Company's  Subsidiaries  (other than incidental to the
            lines of business,  if any, engaged in as of the date hereof between
            the Company and such  Acquiring  Person or Associate or  Affiliate),
            other than  pursuant  to a Section 13 Event,  (5) shall  receive any
            compensation  from the Company or any of the Company's  Subsidiaries
            other  than  compensation  for  full-time  employment  as a  regular
            employee  at  rates  in  accordance   with  the  Company's  (or  its
            Subsidiaries')  past  practices,  or (6) shall  receive the benefit,
            directly or indirectly (except  proportionately as a stockholder and
            except  if  resulting  from a  requirement  of  law or  governmental
            regulation),  of any loans, advances,  guarantees,  pledges or other
            financial  assistance  or any tax  credits  or other  tax  advantage
            provided by the Company or any of its Subsidiaries, or

                        (B) any Person (other than the Company,  any  Subsidiary
            of the Company,  any employee  benefit plan of the Company or of any
            Subsidiary  of the  Company,  or any  Person  or  entity  organized,
            appointed or established by the Company for or pursuant to the terms
            of any such plan or an Exempted Person),  alone or together with its
            Affiliates  and  Associates,  shall,  at any time  after the  Rights
            Dividend  Declaration  Date,  become the Beneficial  Owner of 20% or
            more of the Common Shares then outstanding, unless the event causing

<PAGE>

            the 20%  threshold  to be crossed  is a Section  13 Event,  or is an
            acquisition  of  Common  Shares  pursuant  to a  tender  offer or an
            exchange offer for all  outstanding  Common Shares at a price and on
            terms that provide fair value to all stockholders,  as determined by
            at least a majority of the Continuing  Directors,  after taking into
            consideration  all  factors  that  such  members  of  the  Board  of
            Directors  deem  relevant,   including,   without  limitation,   the
            long-term  prospects  and value of the  Company  and the  prices and
            terms that such members of the Board of Directors  believe,  in good
            faith,  could  reasonably  be  achieved if the Company or its assets
            were sold on an orderly basis designed to realize maximum value, or

                        (C) during  such time as there is an  Acquiring  Person,
            there shall be any  reclassification  of securities  (including  any
            reverse stock split),  or  recapitalization  of the Company,  or any
            merger or  consolidation of the Company with any of its Subsidiaries
            or any other  transaction  or series of  transactions  involving the
            Company or any of its Subsidiaries, other than a Section 13 Event or
            series  of such  events  (whether  or not with or into or  otherwise
            involving  an  Acquiring  Person)  that has the effect,  directly or
            indirectly, of increasing by more than 1% the proportionate share of
            the  outstanding  shares of any class of  equity  securities  of the
            Company or any of its  Subsidiaries  that is directly or  indirectly
            beneficially  owned by any  Acquiring  Person  or any  Associate  or
            Affiliate of any Acquiring Person,

      then,  promptly  following  the first  occurrence  of a Section  11(a)(ii)
      Event,  proper  provision  shall be made so that  each  holder  of a Right
      (except as provided  below and in Section  7(e) hereof)  shall  thereafter
      have the right to  receive,  upon  exercise  thereof  at the then  current
      Purchase Price in accordance with the terms of this Agreement,  in lieu of
      a number of Preferred Share Fractions, such number of Common Shares of the
      Company as shall  equal the result  obtained by (x)  multiplying  the then
      current Purchase Price by the then number of Preferred Share Fractions for
      which a Right was exercisable immediately prior to the first occurrence of
      a Section 11(a)(ii) Event, and (y) dividing that product (which, following
      such first  occurrence,  shall  thereafter be referred to as the "Purchase
      Price" for each Right and for all  purposes of this  Agreement)  by 50% of
      the current market price (determined pursuant to Section 11(d) hereof) per
      Common Share on the date of such first  occurrence (such number of shares,
      the "Adjustment Shares").


<PAGE>

                  (iii) In the event that the number of Common  Shares  (for any
      class or series of Common  Shares) that are  authorized  by the  Company's
      Certificate of Incorporation,  as amended, but not outstanding or reserved
      for issuance for purposes  other than upon  exercise of the Rights are not
      sufficient to permit the exercise in full of the Rights in accordance with
      the foregoing  subparagraph (ii) of this Section 11(a), the Company shall:
      (A) determine the excess of the value of the  Adjustment  Shares  issuable
      upon the exercise of a Right (the "Current Value") over the Purchase Price
      (such  excess,  the  "Spread"),  and (B) with respect to each Right,  make
      adequate provision to substitute for the Adjustment  Shares,  upon payment
      of the  applicable  Purchase  Price,  (1)  cash,  (2) a  reduction  in the
      Purchase  Price,  (3) Common  Shares of the same or a  different  class or
      other equity  securities of the Company  (including,  without  limitation,
      preferred  shares or units of  preferred  shares  that a  majority  of the
      Continuing  Directors in office at the time has deemed (based, among other
      things,  on the dividend and liquidation  rights of such preferred shares)
      to have  substantially  the same  economic  value as Common  Shares  (such
      preferred shares, hereinafter referred to as "common share equivalents")),
      (4)  debt  securities  of  the  Company,  (5)  other  assets  or  (6)  any
      combination  of the  foregoing,  having an  aggregate  value  equal to the
      Current  Value,  where  such  aggregate  value  has been  determined  by a
      majority  of  the  Continuing  Directors  in  office  at  the  time  after
      considering the advice of a nationally  recognized investment banking firm
      selected by the Board of Directors of the Company;  provided,  however, if
      the  Company  shall not have made  adequate  provision  to  deliver  value
      pursuant to clause (B) above within  thirty (30) days  following the later
      of (x) the first occurrence of a Section  11(a)(ii) Event and (y) the date
      on which the  Company's  right of  redemption  pursuant  to Section  23(a)
      expires (the later of (x) and (y) being referred to herein as the "Section
      11(a)(ii) Trigger Date"),  then the Company shall be obligated to deliver,
      upon the surrender for exercise of a Right and without  requiring  payment
      of the Purchase Price,  Common Shares (to the extent  available) and then,
      if necessary, cash, which shares and/or cash have an aggregate value equal
      to the Spread. If the Board of Directors of the Company shall determine in
      good faith that it is likely  that  sufficient  additional  Common  Shares
      could be authorized for issuance upon exercise in full of the Rights,  the
      thirty  (30) day  period  set forth  above may be  extended  to the extent
      necessary,  but not more than ninety (90) days after the Section 11(a)(ii)
      Trigger Date, in order that the Company may seek stockholder  approval for
      the  authorization  of such additional  shares (such period,  as it may be
      extended,  the  "Substitution  Period").  To the extent  that the  Company
      determines  that some  action need be taken  pursuant to the first  and/or
      second  sentences of this Section  11(a)(iii),  the Company shall provide,
      subject to Section 7(e) hereof,  that such action shall apply uniformly to
      all outstanding  Rights,  and may suspend the exercisability of the Rights
      until  the  expiration  of the  Substitution  Period  in order to seek any

<PAGE>

      authorization  of additional  shares and/or to decide the appropriate form
      of  distribution  to be  made  pursuant  to  such  first  sentence  and to
      determine the value thereof.  The Company shall make a public announcement
      when the exercisability of the Rights has been temporarily suspended,  and
      again when such  suspension  is no longer in effect.  For purposes of this
      Section  11(a)(iii),  the value of the Common  Shares shall be the current
      market price (as  determined  pursuant to Section 11(d) hereof) per Common
      Share on the Section  11(a)(ii)  Trigger Date and the value of any "common
      share  equivalent"  shall be deemed to have the same  value as the  Common
      Shares on such date.

                  (b) In case  the  Company  shall  fix a  record  date  for the
issuance  of rights,  options or  warrants  to  holders of any  security  of the
Company  entitling  them to  subscribe  for or purchase  (for a period  expiring
within  forty-five (45) calendar days after such record date)  Preferred  Shares
(or shares having the same rights,  privileges and  preferences as the Preferred
Shares ("equivalent preferred shares")) or securities convertible into Preferred
Shares or  equivalent  preferred  shares at a price per  Preferred  Share or per
equivalent  preferred  share  (or  having a  conversion  price per  share,  if a
security  convertible into Preferred Shares or equivalent preferred shares) less
than the current market price (as  determined  pursuant to Section 11(d) hereof)
per  Preferred  Share on such record date,  the  Purchase  Price to be in effect
after such record date shall be determined by multiplying  the Purchase Price in
effect  immediately  prior to such record date by a fraction,  the  numerator of
which shall be the number of Preferred  Shares  outstanding on such record date,
plus the number of Preferred  Shares that the  aggregate  offering  price of the
total number of Preferred  Shares and/or  equivalent  preferred  shares so to be
offered  (and/or  the  aggregate  initial  conversion  price of the  convertible
securities so to be offered) would  purchase at such current  market price,  and
the denominator of which shall be the number of Preferred Shares  outstanding on
such  record  date,  plus the  number  of  additional  Preferred  Shares  and/or
equivalent  preferred shares to be offered for subscription or purchase (or into
which the convertible securities so to be offered are initially convertible). In
case such  subscription  price may be paid by delivery of consideration  part or
all of which may be in a form other than cash,  the value of such  consideration
shall be as  determined  in good faith by the Board of Directors of the Company,
whose  determination  shall be  described  in a statement  filed with the Rights
Agent and shall be binding on the  Company,  the Rights Agent and the holders of
the  Rights.  Preferred  Shares  owned by or held for the account of the Company
shall not be deemed  outstanding for the purpose of any such  computation.  Such
adjustment shall be made successively  whenever such a record date is fixed, and
in the event that such rights or warrants are not so issued,  the Purchase Price
shall be adjusted to be the Purchase  Price that would then be in effect if such
record date had not been fixed.

<PAGE>

                  (c)  In  case  the  Company  shall  fix a  record  date  for a
distribution to all holders of Preferred Shares (including any such distribution
made in connection  with a  consolidation  or merger in which the Company is the
continuing corporation) of evidences of indebtedness, cash (other than a regular
quarterly  dividend  out of the earnings or retained  earnings of the  Company),
assets (other than a regular  quarterly  dividend  referred to above or dividend
payable in Preferred  Shares,  but including any dividend payable in stock other
than  Preferred  Shares) or  subscription  rights or warrants  (excluding  those
referred to in Section 11(b)  hereof),  the Purchase Price to be in effect after
such record date shall be determined by multiplying the Purchase Price in effect
immediately  prior to such  record date by a fraction,  the  numerator  of which
shall be the current  market  price (as  determined  pursuant  to Section  11(d)
hereof) per Preferred Share on such record date, less the then fair market value
(as  determined  in good faith by the Board of Directors  of the Company,  whose
determination  shall be described in a statement filed with the Rights Agent and
shall be  conclusive  for all  purposes)  of the portion of the cash,  assets or
evidences of indebtedness so to be distributed or of such subscription rights or
warrants  applicable to a Preferred  Share and the denominator of which shall be
such current market price (as  determined  pursuant to Section 11(d) hereof) per
Preferred Share.  Such adjustments  shall be made  successively  whenever such a
record date is fixed,  and in the event that such  distribution  is not so made,
the Purchase  Price shall be adjusted to be the Purchase  Price which would have
been in effect if such record date had not been fixed.

                  (d) (i) For the purpose of any  computation  hereunder,  other
      than computations made pursuant to Section 11(a)(iii) hereof, the "current
      market  price"  per  Common  Share on any date  shall be  deemed to be the
      average of the daily  closing  prices per Common Share for the thirty (30)
      consecutive Trading Days (as such term is hereinafter defined) immediately
      prior to such date,  and for  purposes of  computations  made  pursuant to
      Section  11(a)(iii) hereof, the "current market price" per Common Share on
      any date shall be deemed to be the average of the daily closing prices per
      Common  Share  for the  ten  (10)  consecutive  Trading  Days  immediately
      following such date; provided, however, that in the event that the current
      market price per Common Share is determined  during a period following the
      announcement  by the  issuer of such  Common  Share of (A) a  dividend  or
      distribution  on such Common Share  payable in Common Shares or securities
      convertible  into  Common  Shares  (other  than  the  Rights),  or (B) any
      subdivision,  combination or  reclassification  of such Common Shares, and
      prior to the  expiration of the  requisite  thirty (30) Trading Day or ten
      (10) Trading Day period,  as set forth above,  after the ex-dividend  date

<PAGE>

      for  such  dividend  or   distribution,   or  the  record  date  for  such
      subdivision, combination or reclassification, then, and in each such case,
      the "current market price" shall be properly adjusted to take into account
      ex-dividend  trading.  The closing price for each Trading Day shall be the
      last sale price, regular way, or, in case no such sale takes place on such
      day,  the  average of the closing bid and asked  prices,  regular  way, in
      either  case  as  reported  in  the  principal  consolidated   transaction
      reporting system with respect to securities  listed or admitted to trading
      on the American  Stock Exchange or, if the Common Shares are not listed or
      admitted to trading on the  American  Stock  Exchange,  as reported in the
      principal  consolidated  transaction  reporting  system  with  respect  to
      securities listed on the principal national  securities  exchange on which
      the  Common  Shares are listed or  admitted  to trading  or, if the Common
      Shares are not listed or  admitted to trading on any  national  securities
      exchange,  the last quoted price or, if not so quoted,  the average of the
      high bid and low asked prices in the over-the-counter  market, as reported
      by  the  National  Association  of  Securities  Dealers,   Inc.  Automated
      Quotation  System  ("NASDAQ")  or such other system then in use, or, if on
      any such date the Common  Shares are not quoted by any such  organization,
      the  average  of the  closing  bid and  asked  prices  as  furnished  by a
      professional market maker making a market in the Common Shares selected by
      the Board of Directors of the Company. If on any such date no market maker
      is making a market in the Common Shares,  the fair value of such shares on
      such date as  determined  in good faith by the Board of  Directors  of the
      Company  shall be used.  The term  "Trading Day" shall mean a day on which
      the principal national  securities exchange on which the Common Shares are
      listed or admitted to trading is open for the  transaction of business or,
      if the Common Shares are not listed or admitted to trading on any national
      securities exchange, a Business Day. If the Common Shares are not publicly
      held or not so listed or traded,  "current  market  price" per share shall
      mean the fair value per share as  determined in good faith by the Board of
      Directors  of the  Company,  whose  determination  shall be described in a
      statement  filed with the  Rights  Agent and shall be  conclusive  for all
      purposes.

                  (ii)  For  the  purpose  of  any  computation  hereunder,  the
      "current market price" per Preferred Share shall be determined in the same
      manner as set  forth  above for the  Common  Shares in clause  (i) of this
      Section  11(d)  (other  than the last  sentence  thereof).  If the current
      market  price per  Preferred  Share  cannot be  determined  in the  manner
      provided above or if the Preferred  Shares are not publicly held or listed
      or traded in a manner  described in clause (i) of this Section 11(d),  the
      "current market price" per Preferred Share shall be conclusively deemed to
      be an amount equal to 1,000 (as such number may be appropriately  adjusted
      for such events as stock splits, stock dividends and recapitalization with
      respect to the Common Shares  occurring  after the date of this Agreement)
      multiplied by the current  market price per Common  Share.  If neither the

<PAGE>

      Common Shares nor the  Preferred  Shares are publicly held or so listed or
      traded,  "current  market price" per  Preferred  Share shall mean the fair
      value per share as  determined  in good faith by the Board of Directors of
      the Company,  whose  determination shall be described in a statement filed
      with the Rights Agent and shall be conclusive  for all  purposes.  For all
      purposes of this  Agreement,  the  "current  market  price" of a Preferred
      Share  Fraction  shall be  equal  to the  "current  market  price"  of one
      Preferred Share divided by 1,000.

                  (e)  Anything  herein  to  the  contrary  notwithstanding,  no
adjustment in the Purchase Price shall be required unless such adjustment  would
require an increase or  decrease  of at least one percent  (1%) in the  Purchase
Price;  provided,  however, that any adjustments which by reason of this Section
11(e) are not  required  to be made  shall be  carried  forward  and taken  into
account in any subsequent  adjustment.  All  calculations  under this Section 11
shall be made to the nearest cent or to the nearest thousandth of a Common Share
or one  one-hundred  millionth  of a  Preferred  Share,  as  the  case  may  be.
Notwithstanding  the first  sentence  of this  subsection  (e),  any  adjustment
required by this Section 11 shall be made no later than the earlier of (i) three
(3) years from the date of the  transaction  that mandates such  adjustment,  or
(ii) the Expiration Date.

                  (f) If as a result of an  adjustment  made pursuant to Section
11(a)(ii) or Section 13(a) hereof, the holder of any Right thereafter  exercised
shall  become  entitled  to  receive  any  shares of  capital  stock  other than
Preferred Shares,  thereafter the number of such other shares so receivable upon
exercise  of any  Right and the  Purchase  Price  thereof  shall be  subject  to
adjustment  from time to time in a manner and on terms as nearly  equivalent  as
practicable to the provisions with respect to the Preferred  Shares contained in
Sections  11(a),  (b),  (c),  (e), (g), (h), (i), (j), (k), (m) and (q), and the
provisions  of Sections 7, 9, 10, 13 and 14 hereof with respect to the Preferred
Shares shall apply on like terms to any such other shares.

                  (g) All Rights originally issued by the Company  subsequent to
any adjustment  made to the Purchase Price hereunder shall evidence the right to
purchase,  at the  adjusted  Purchase  Price,  the  number  of  Preferred  Share
Fractions  purchasable  from time to time hereunder upon exercise of the Rights,
all subject to further adjustment as provided herein.

                  (h) Unless the Company  shall have  exercised  its election as
provided in Section  11(i),  upon each  adjustment  of the  Purchase  Price as a
result  of the  calculations  made  in  subsections  (b)  and  (c),  each  Right
outstanding  immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase,  at the adjusted  Purchase Price, that number of

<PAGE>

Preferred Share Fractions  (calculated to the nearest one one-hundred  millionth
of a Preferred  Share)  obtained by (i)  multiplying (x) the number of Preferred
Share Fractions covered by a Right immediately prior to this adjustment,  by (y)
the  Purchase  Price  in  effect  immediately  prior to such  adjustment  of the
Purchase Price,  and (ii) dividing the product so obtained by the Purchase Price
in effect immediately after such adjustment of the Purchase Price.

                  (i)  The  Company  may  elect  on or  after  the  date  of any
adjustment of the Purchase Price to adjust the number of Rights,  in lieu of any
adjustment  in the number of  Preferred  Share  Fractions  purchasable  upon the
exercise of a Right. Each of the Rights  outstanding after the adjustment in the
number  of  Rights  shall be  exercisable  for the  number  of  Preferred  Share
Fractions  for  which  a  Right  was  exercisable   immediately  prior  to  such
adjustment.  Each Right held of record prior to such adjustment of the number of
Rights shall become that number of Rights  (calculated to the nearest thousandth
of a  Preferred  Share)  obtained  by  dividing  the  Purchase  Price in  effect
immediately  prior to adjustment of the Purchase  Price by the Purchase Price in
effect  immediately  after  adjustment of the Purchase Price.  The Company shall
make a public  announcement  of its  election  to adjust  the  number of Rights,
indicating  the record date for the  adjustment,  and, if known at the time, the
amount of the  adjustment to be made.  The record date for the adjustment may be
the date on which the Purchase Price is adjusted or any day thereafter,  but, if
the Rights Certificates have been issued,  shall be at least ten (10) days later
than the date of the  public  announcement.  If  Rights  Certificates  have been
issued,  upon each  adjustment of the number of Rights  pursuant to this Section
11(i), the Company shall, as promptly as practicable, cause to be distributed to
holders of record of Rights Certificates on such record date Rights Certificates
evidencing,  subject to Section 14 hereof,  the additional  Rights to which such
holders shall be entitled as a result of such  adjustment,  or, at the option of
the  Company,  shall  cause to be  distributed  to such  holders  of  record  in
substitution  and replacement for the Rights  Certificates  held by such holders
prior to the date of adjustment,  and upon surrender thereof, if required by the
Company, new Rights Certificates evidencing all the Rights to which such holders
shall  be  entitled  after  such  adjustment.   Rights  Certificates  so  to  be
distributed  shall be issued,  executed and countersigned in the manner provided
for herein (and may bear,  at the option of the Company,  the adjusted  Purchase
Price) and shall be  registered  in the names of the holders of record of Rights
Certificates on the record date specified in the public announcement.

                  (j)  Irrespective  of any adjustment or change in the Purchase
Price or the number of Preferred Share  Fractions  issuable upon the exercise of
the  Rights,  the Rights  Certificates  theretofore  and  thereafter  issued may
continue to express the  Purchase  Price per  Preferred  Share  Fraction and the

<PAGE>

number of Preferred  Share  Fractions  that were expressed in the initial Rights
Certificates issued hereunder.

                  (k) Before  taking any action that would  cause an  adjustment
reducing the Purchase  Price below the then stated or par value,  if any, of the
number of Preferred  Share Fractions  issuable upon exercise of the Rights,  the
Company shall take any corporate action that may, in the opinion of its counsel,
be necessary in order that the Company may validly and legally issue such number
of fully paid and  nonassessable  Preferred  Share  Fractions  at such  adjusted
Purchase Price.

                  (l) In any case in which this Section 11 shall require that an
adjustment  in the  Purchase  Price be made  effective as of a record date for a
specified  event,  the Company may elect to defer until the  occurrence  of such
event the issuance to the holder of any Right  exercised  after such record date
the number of Preferred Share Fractions and other capital stock or securities of
the Company,  if any,  issuable  upon such exercise over and above the number of
Preferred  Share Fractions and other capital stock or securities of the Company,
if any, issuable upon such exercise on the basis of the Purchase Price in effect
prior to such adjustment;  provided,  however, that the Company shall deliver to
such holder a due bill or other appropriate  instrument evidencing such holder's
right to receive such additional shares  (fractional or otherwise) or securities
upon the occurrence of the event requiring such adjustment.

                  (m)   Anything   in   this   Section   11  to   the   contrary
notwithstanding,  the Company  shall be entitled to make such  reductions in the
Purchase  Price,  in addition to those  adjustments  expressly  required by this
Section 11, as and to the extent that in their good faith  judgment the Board of
Directors of the Company  shall  determine to be advisable in order that any (i)
consolidation or subdivision of the Preferred  Shares,  (ii) issuance wholly for
cash of any  Preferred  Shares  at less than the  current  market  price,  (iii)
issuance wholly for cash of Preferred  Shares or securities which by their terms
are convertible into or exchangeable for Preferred Shares,  (iv) stock dividends
or (v) issuance of rights,  options or warrants  referred to in this Section 11,
hereafter  made by the Company to holders of its  Preferred  Shares shall not be
taxable to such stockholders.

                  (n) The Company covenants and agrees that it shall not, at any
time after the  Distribution  Date, (i) consolidate with any other Person (other
than a Subsidiary  of the Company in a transaction  which  complies with Section
11(o) hereof), (ii) merge with or into any other Person (other than a Subsidiary
of the Company in a  transaction  which  complies  with Section 11(o) hereof) or
(iii) sell or transfer (or permit any  Subsidiary to sell or  transfer),  in one
transaction,  or a series  of  related  transactions,  assets or  earning  power

<PAGE>

aggregating  more than 50% of the assets or earning power of the Company and its
Subsidiaries  (taken as a whole) to any other person or persons  (other than the
Company and/or any of its Subsidiaries in one or more transactions each of which
complies with Section 11(o) hereof),  if (x) at the time of or immediately after
such  consolidation,  merger or sale  there are any  rights,  warrants  or other
instruments  or  securities  outstanding  or  agreements  in effect  that  would
substantially  diminish  or  otherwise  eliminate  the  benefits  intended to be
afforded by the Rights or (y) prior to, simultaneously with or immediately after
such  consolidation,  merger  or  sale,  the  stockholders  of  the  Person  who
constitutes,  or would constitute, the "Principal Party" for purposes of Section
13(a) hereof shall have received a distribution  of Rights  previously  owned by
such Person or any of its Affiliates and Associates.

                  (o)  The  Company   covenants  and  agrees  that,   after  the
Distribution  Date, it will not, except as permitted by Section 23 or Section 26
hereof,  take (or permit any  Subsidiary to take) any action if at the time such
action is taken it is  reasonably  foreseeable  that such action  will  diminish
substantially or otherwise eliminate the benefits intended to be afforded by the
Rights.

                  (p)    Anything   in   this    Agreement   to   the   contrary
notwithstanding,  in the  event  that the  Company  shall at any time  after the
Rights Dividend  Declaration Date and prior to the Distribution Date (i) declare
a dividend on the  outstanding  Common  Shares  payable in Common  Shares,  (ii)
subdivide the outstanding  Common Shares or (iii) combine the outstanding Common
Shares into a smaller  number of shares,  the number of Rights  associated  with
each Common Share then outstanding,  or issued or delivered thereafter but prior
to the Distribution Date, shall be  proportionately  adjusted so that the number
of Rights thereafter  associated with each Common Share following any such event
shall equal the result obtained by multiplying  the number of Rights  associated
with  each  Common  Share  immediately  prior to such  event by a  fraction  the
numerator  of which  shall be the  total  number of  Common  Shares  outstanding
immediately  prior to the  occurrence of the event and the  denominator of which
shall be the total number of Common Shares outstanding immediately following the
occurrence of such event.

                  (q) In the event that the Rights become exercisable  following
a  Section  11(a)(ii)  Event,  the  Company,  by  action  of a  majority  of the
Continuing  Directors in office at the time,  may permit the Rights,  subject to
Section 7(e) hereof,  to be exercised  for 50% of the Common  Shares (or cash or
other securities or assets to be substituted for the Adjustment  Shares pursuant
to subsection  (a)(iii)) that would  otherwise be purchasable  under  subsection
(a), in consideration of the surrender to the Company of the Rights so exercised

<PAGE>

and without other payment of the Purchase  Price.  Rights  exercised  under this
subsection  (q)  shall be deemed  to have  been  exercised  in full and shall be
cancelled.

            Section 12.  Certificate of Adjusted Purchase Price or . Whenever an
adjustment is made as provided in Section 11 and Section 13 hereof,  the Company
shall (a) promptly  prepare a certificate  setting forth such  adjustment  and a
brief statement of the facts accounting for such  adjustment,  (b) promptly file
with the Rights Agent, and with each transfer agent for the Preferred Shares and
the Common  Shares,  a copy of such  certificate,  and (c) mail a brief  summary
thereof to each holder of a Rights Certificate (or, if prior to the Distribution
Date, to each holder of a certificate  representing Common Shares) in accordance
with Section 25 hereof.  The Rights Agent shall be fully protected in relying on
any such  certificate and on any adjustment  therein  contained and shall not be
obligated or responsible for calculating any adjustment,  nor shall it be deemed
to have knowledge of any such adjustment unless and until it shall have received
such a certificate.

            Section 13.  Consolidation, Merger or Sale or Transfer of
Assets or Earning Power

                  (a) In the event that,  following the Stock  Acquisition Date,
directly or indirectly,  (x) the Company shall  consolidate  with, or merge with
and into,  any  other  Person  (other  than a  Subsidiary  of the  Company  in a
transaction which complies with Section 11(o) hereof), and the Company shall not
be the continuing or surviving  corporation of such consolidation or merger, (y)
any person  (other  than a  Subsidiary  of the  Company in a  transaction  which
complies with Section 11(o)  hereof)  shall  consolidate  with, or merge with or
into,  the  Company,  and the  Company  shall  be the  continuing  or  surviving
corporation  of such  consolidation  or  merger  and,  in  connection  with such
consolidation or merger,  all or part of the outstanding  Common Shares shall be
changed into or exchanged  for stock or other  securities of any other Person or
cash or any other property,  or (z) the Company shall sell or otherwise transfer
(or one or more of its Subsidiaries  shall sell or otherwise  transfer),  in one
transaction  or a series  of  related  transactions,  assets  or  earning  power
aggregating  more than 50% of the assets or earning power of the Company and its
Subsidiaries (taken as a whole) to any Person or Persons (other than the Company
or any  Subsidiary  of the  Company  in one or more  transactions  each of which
complies with Section 11(o)  hereof),  then, and in each such case and except as
contemplated by subsection (d), proper provision shall be made so that:

                        (i)  each  holder  of a Right,  except  as  provided  in
      Section 7(e) hereof or subsection (e), shall  thereafter have the right to
      receive,  upon the exercise  thereof at the then current Purchase Price in

<PAGE>

      accordance  with the  terms of this  Agreement,  such  number  of  validly
      authorized and issued,  fully paid,  non  assessable and freely  tradeable
      Common  Shares  of the  Principal  Party  (as  such  term  is  hereinafter
      defined), not subject to any liens, encumbrances,  rights of first refusal
      or other adverse  claims,  as shall be equal to the result obtained by (1)
      multiplying  the then  current  Purchase  Price by the number of Preferred
      Share Fractions for which a Right is exercisable  immediately prior to the
      first  occurrence of a Section 13 Event (or, if a Section  11(a)(ii) Event
      has  occurred  prior  to the  first  occurrence  of a  Section  13  Event,
      multiplying  the number of such  shares for which a Right was  exercisable
      immediately  prior to the first occurrence of a Section 11(a)(ii) Event by
      the Purchase Price in effect  immediately prior to such first occurrence),
      and dividing  that product  (which,  following  the first  occurrence of a
      Section 13 Event,  shall be referred to as the  "Purchase  Price" for each
      Right and for all  purposes of this  Agreement)  by (2) 50% of the current
      market price  (determined  pursuant to Section 11(d)(i) hereof) per Common
      Share of such Principal  Party on the date of consummation of such Section
      13 Event,

                        (ii) such  Principal  Party shall  thereafter  be liable
      for,  and  shall  assume,  by  virtue of such  Section  13 Event,  all the
      obligations and duties of the Company pursuant to this Agreement;

                        (iii) the term "Company"  shall  thereafter be deemed to
      refer to such Principal  Party,  it being  specifically  intended that the
      provisions of Section 11 hereof shall apply only to such  Principal  Party
      following the first occurrence of a Section 13 Event;

                        (iv)  such   Principal   Party  shall  take  such  steps
      (including,  but not limited to, the reservation of a sufficient number of
      its  Common  Shares)  in  connection  with  the  consummation  of any such
      transaction as may be necessary to assure that the provisions hereof shall
      thereafter be  applicable,  as nearly as reasonably may be, in relation to
      its Common Shares thereafter  deliverable upon the exercise of the Rights;
      and

                        (v) the provisions of Section  11(a)(ii) hereof shall be
      of no effect following the first occurrence of any Section 13 Event.

                  (b)  "Principal Party" shall mean

<PAGE>

                        (i) in the case of any  transaction  described in clause
      (x) or (y) of the first sentence of subsection (a), the Person that is the
      issuer of any  securities  into which  Common  Shares of the  Company  are
      converted in such merger or  consolidation,  and if no  securities  are so
      issued,   the  Person   that  is  the  other   party  to  such  merger  or
      consolidation; and

                        (ii) in the case of any transaction  described in clause
      (z) of the first sentence of subsection  (a), the Person that is the party
      receiving the greatest portion of the assets or earning power  transferred
      pursuant to such transaction or transactions;

provided,  however,  that in any such  case,  (1) if the  Common  Shares of such
Person are not at such time and have not been  continuously  over the  preceding
twelve (12) month period  registered  under  Section 12 of the Exchange Act, and
such  Person is a direct or  indirect  Subsidiary  of another  Person the Common
Shares of which are and have been so registered,  "Principal  Party" shall refer
to such other Person,  and (2) in case such Person is a Subsidiary,  directly or
indirectly,  of more than one Person,  the Common Shares of two or more of which
are and have been so registered,  "Principal  Party" shall refer to whichever of
such Persons is the issuer of the Common  Shares  having the greatest  aggregate
market value.

                  (c) The Company shall not consummate  any such  consolidation,
merger,  sale or transfer  unless the  Principal  Party shall have a  sufficient
number of  authorized  shares of its Common  Shares that have not been issued or
reserved for issuance to permit the exercise in full of the Rights in accordance
with this  Section 13 and unless  prior  thereto the Company and such  Principal
Party shall have  executed  and  delivered  to the Rights  Agent a  supplemental
agreement  providing for the terms set forth in  paragraphs  (a) and (b) of this
Section 13 and further  providing that, as soon as practicable after the date of
any Section 13 event, the Principal Party will:

                        (i) prepare and file a registration  statement under the
      Act,  with  respect  to the  Rights and the  securities  purchasable  upon
      exercise  of the  Rights  on an  appropriate  form,  and will use its best
      efforts to cause such  registration  statement to (A) become  effective as
      soon as  practicable  after such filing and (B) remain  effective  (with a
      prospectus  at all times  meeting the  requirements  of the Act) until the
      Expiration Date; and

<PAGE>

                        (ii) will  deliver to  holders of the Rights  historical
      financial  statements  for the Principal  Party and each of its Affiliates
      that comply in all respects with the requirements for registration on Form
      10 under the Exchange Act.

The provisions of this Section 13 shall similarly apply to successive mergers or
consolidations or sales or other transfers. In the event that a Section 13 Event
shall occur at any time after the occurrence of a Section  11(a)(ii)  Event, the
Rights  that  have  not  theretofore  been  exercised  shall  thereafter  become
exercisable solely in the manner described in Section 13(a).

                  (d)   Notwithstanding   anything  in  this  Agreement  to  the
contrary,  Section 13 (other than this  subsection  (d)) shall not be applicable
to, and the term "Section 13 Event" shall not include,  a transaction  described
in  subparagraphs  (x) and (y) of  Section  13(a)  if (i)  such  transaction  is
consummated  with a Person,  or Persons who acquired Common Shares pursuant to a
tender offer or exchange offer for all  outstanding  Common Shares that complies
with the provisions of Section 11(a)(ii)(B) hereof (or a wholly owned Subsidiary
of any such Person or Persons),  (ii) the price per Common Share offered in such
transaction  is not less than the price per Common  Share paid to all holders of
Common  Shares  whose  shares were  purchased  pursuant to such tender  offer or
exchange  offer  and  (iii)  the  form of  consideration  being  offered  to the
remaining  holders of Common Shares pursuant to such  transaction is the same as
the form of consideration  paid pursuant to such tender or exchange offer.  Upon
consummation  of any such  transaction  contemplated by this subsection (d), all
Rights hereunder shall expire.

                  (e) In the event  that the  Rights  become  exercisable  under
subsection (a) (except as provided in subsection (d)), the Company, by action of
a majority of the Continuing Directors in office at the time, may agree with the
Principal Party that the Principal Party shall permit the Rights to be exercised
for 50% of the Common  Shares of the  Principal  Party that would  otherwise  be
purchasable  under  subsection  (a), in  consideration  of the  surrender to the
Principal  Party, as the successor to the Company under  subsection (a) (ii), of
the Rights so exercised and without other payment of the Purchase Price.  Rights
exercised  under this  subsection  (e) shall be deemed to have been exercised in
full and shall be cancelled.

 .           Section 14.  Fractional Rights and Fractional Shares

                  (a) The Company  shall not be required to issue  fractions  of
Rights,  except  prior to the  Distribution  Date as provided  in Section  11(p)
hereof, or to distribute Rights Certificates that evidence fractional Rights. In

<PAGE>

lieu of such fractional Rights, there shall be paid to the registered holders of
the Rights  Certificates  with  regard to which  such  fractional  Rights  would
otherwise  be  issuable,  an amount in cash  equal to the same  fraction  of the
current market value of a whole Right.  For purposes of this subsection (a), the
current  market value of a whole Right shall be the closing  price of the Rights
for the  Trading  Day  immediately  prior to the date on which  such  fractional
Rights would have been otherwise  issuable.  The closing price of the Rights for
any day  shall be the last sale  price,  regular  way,  or, in case no such sale
takes  place on such day,  the  average  of the  closing  bid and asked  prices,
regular  way,  in  either  case  as  reported  in  the  principal   consolidated
transaction  reporting  system with respect to securities  listed or admitted to
trading  on the  American  Stock  Exchange  or, if the  Rights are not listed or
admitted to trading on the American Stock Exchange, as reported in the principal
consolidated  transaction  reporting system with respect to securities listed on
the  principal  national  securities  exchange on which the Rights are listed or
admitted to  trading,  or if the Rights are not listed or admitted to trading on
any national  securities  exchange,  the last quoted price or, if not so quoted,
the average of the high bid and low asked prices in the over-the-counter market,
as reported  by NASDAQ or such other  system then in use or, if on any such date
the Rights are not quoted by any such  organization,  the average of the closing
bid and asked prices as furnished by a professional market maker making a market
in the Rights selected by the Board of Directors of the Company.  If on any such
date no such market maker is making a market in the Rights the fair value of the
Rights on such date as determined in good faith by the Board of Directors of the
Company shall be used.

                  (b) The Company  shall not be required to issue  fractions  of
Preferred Shares upon exercise of the Rights or to distribute certificates which
evidence  fractional  Preferred Shares,  except in each case for fractions which
are integral  multiples of Preferred  Shares.  In lieu of  fractional  Preferred
Shares that are not integral  multiples of Preferred Shares, the Company may pay
to the  registered  holders of Rights  Certificates  at the time such Rights are
exercised as herein provided an amount in cash equal to the same fraction of the
current market value of a Preferred  Share. For purposes of this subsection (b),
the current market value of one Preferred  Share shall be the closing price of a
Preferred  Share (as determined  pursuant to Section  11(d)(ii)  hereof) for the
Trading Day immediately prior to the date of such exercise.

                  (c)  Following  the  occurrence  of a  Triggering  Event,  the
Company shall not be required to issue  fractions of Common Shares upon exercise
of the Rights or to  distribute  certificates  that evidence  fractional  Common
Shares.  In  lieu  of  fractional  Common  Shares,  the  Company  may pay to the
registered holders of Rights  Certificates at the time such Rights are exercised
as herein  provided an amount in cash equal to the same  fraction of the current
market  value of one Common  Share.  For  purposes of this  subsection  (c), the

<PAGE>

current  market  value of one Common  Share  shall be the  closing  price of one
Common Share (as determined pursuant to Section 11(d)(i) hereof) for the Trading
Day immediately prior to the date of such exercise.

                  (d) The holder of a Right or a beneficial  interest in a Right
by the acceptance  thereof  expressly waives his right to receive any fractional
Rights or any  fractional  Common  Shares upon  exercise  of a Right,  except as
permitted by this Section 14.

          Section 15. Rights of Action.  All rights of action in respect of this
Agreement  are  vested  in the  respective  registered  holders  of  the  Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares);  and any registered holder of any Rights  Certificate (or, prior
to the  Distribution  Date,  of the Common  Shares),  without the consent of the
Rights Agent or of the holder of any other Rights  Certificate (or, prior to the
Distribution Date, of the Common Shares), may, in his own behalf and for his own
benefit,  enforce, and may institute and maintain any suit, action or proceeding
against  the Company to enforce,  or  otherwise  act in respect of, his right to
exercise the Rights evidenced by such Rights  Certificate in the manner provided
in such Rights Certificate and in this Agreement. Without limiting the foregoing
or any  remedies  available  to the  holders of Rights or  beneficial  interests
therein,  it  is  specifically  acknowledged  that  the  holders  of  Rights  or
beneficial  interests  therein would not have an adequate  remedy at law for any
breach of this  Agreement and shall be entitled to specific  performance  of the
obligations  hereunder  and  injunctive  relief  against  actual  or  threatened
violations of the obligations hereunder of any Person subject to this Agreement.

          Section 16. Agreement of Rights Holders.  Every holder of a Right or a
beneficial  interest in a Right by accepting  the same  consents and agrees with
the Company and the Rights Agent and with every other such holder that:

                  (a) prior to the Distribution  Date,  beneficial  interests in
the Rights will be  transferable  only in connection with the transfer of Common
Shares;

                  (b) after the Distribution  Date, the Rights  Certificates are
transferable  only on the registry  books of the Rights Agent if  surrendered at
the  principal  office  or  offices  of the  Rights  Agent  designated  for such
purposes,  duly endorsed or accompanied  by a proper  instrument of transfer and
with the appropriate forms and certificates fully executed;

                  (c)  subject to Section  6(a) and  Section  7(f)  hereof,  the
Company  and the  Rights  Agent may deem and treat  the  person in whose  name a

<PAGE>

Rights  Certificate (or, prior to the Distribution  Date, the associated  Common
Share certificate) is registered as the absolute owner thereof and of the Rights
evidenced thereby  (notwithstanding any notations of ownership or writing on the
Rights  Certificates or the associated  Common Share  certificate made by anyone
other than the Company or the Rights  Agent) for all  purposes  whatsoever,  and
neither  the  Company  nor the Rights  Agent,  subject to the last  sentence  of
Section  7(e)  hereof,  shall be  required  to be  affected by any notice to the
contrary; and

                  (d)   notwithstanding   anything  in  this  Agreement  to  the
contrary,  neither the Company nor the Rights Agent shall have any  liability to
any holder of a Right or a  beneficial  interest in a Right or other Person as a
result of its inability to perform any of its  obligations  under this Agreement
by reason of any preliminary or permanent  injunction or other order,  decree or
ruling  issued  by a  court  of  competent  jurisdiction  or by a  governmental,
regulatory  or  administrative  agency  or  commission,  or any  statute,  rule,
regulation  or  executive  order  promulgated  or  enacted  by any  governmental
authority,  prohibiting or otherwise restraining performance of such obligation;
provided, however, the Company must use its best efforts to have any such order,
decree or ruling lifted or otherwise overturned as soon as possible.

            Section 17. Rights  Certificate  Holder Not Deemed a . No holder, as
such, of any Rights  Certificate shall be entitled to vote, receive dividends or
be deemed for any purpose the holder of the number of Preferred  Share Fractions
or any other securities of the Company (including the Common Shares) that may at
any time be issuable  on the  exercise of the Rights  represented  thereby,  nor
shall  anything  contained  herein or in any Rights  Certificate be construed to
confer upon the holder of any Rights Certificate,  as such, any of the rights of
a stockholder  of the Company or any right to vote for the election of directors
or upon any matter submitted to stockholders at any meeting thereof,  or to give
or withhold consent to any corporate action, or to receive notice of meetings or
other actions affecting  stockholders (except as provided in Section 24 hereof),
or to receive dividends or subscription rights, or otherwise, until the Right or
Rights  evidenced  by such  Rights  Certificate  shall  have been  exercised  in
accordance with the provisions hereof.

 .           Section 18.  Concerning the Rights Agent

                  (a) The Company  agrees to pay to the Rights Agent  reasonable
compensation  for all services  rendered by it hereunder and, from time to time,
on demand of the Rights  Agent,  its  reasonable  expenses  and counsel fees and
disbursements  and  other  disbursements  incurred  in  the  administration  and
execution  of this  Agreement  and the exercise  and  performance  of its duties
hereunder.  The  Company  also  agrees to  indemnify  the  Rights  Agent and its

<PAGE>

directors, officers, employees and agents, for and to hold each of them harmless
against, any loss, liability,  or expense,  incurred without gross negligence or
willful misconduct on the part of the Rights Agent, for anything done or omitted
by the  Rights  Agent  or any such  indemnified  party  in  connection  with the
acceptance  or  administration  of this  Agreement or the exercise of its duties
hereunder,  including  the costs and expenses of defending  against any claim of
liability in the premises.  The  indemnification  provided for  hereunder  shall
survive the expiration of the Rights,  the termination of this Agreement and the
resignation or removal of such Rights Agent. The costs and expenses of enforcing
this right of indemnification shall also be paid by the Company.

                  (b) The Rights Agent shall be protected  and may  conclusively
rely upon and shall incur no  liability  for or in respect of any action  taken,
suffered  or  omitted  by it in  connection  with  its  administration  of  this
Agreement  or the exercise of its duties  hereunder in reliance  upon any Rights
Certificate  or  certificate  for Common  Shares or for other  securities of the
Company,  instrument of assignment or transfer, power of attorney,  endorsement,
affidavit, letter, notice, direction, consent, certificate,  statement, or other
paper or document  believed by it to be genuine and to be signed,  executed and,
where necessary,  verified or acknowledged,  by the proper Person or Persons, or
otherwise upon the advice of counsel as set forth in Section 20(a).

          Section 19. Merger or Consolidation or Change of Name of Rights Agent

                  (a)  Any  corporation  into  which  the  Rights  Agent  or any
successor  Rights Agent may be merged or with which it may be  consolidated,  or
any corporation  resulting from any merger or  consolidation to which the Rights
Agent  or any  successor  Rights  Agent  shall be a  party,  or any  corporation
succeeding to the corporate trust or stock transfer business of the Rights Agent
or any successor Rights Agent,  shall be the successor to the Rights Agent under
this  Agreement  without the execution or filing of any paper or any further act
on the  part  of any  of  the  parties  hereto;  provided,  however,  that  such
corporation  would be eligible for appointment as a successor Rights Agent under
the provisions of Section 21 hereof.  In case at the time such successor  Rights
Agent shall  succeed to the agency and trust created by this  Agreement,  any of
the Rights  Certificates  shall have been  countersigned but not delivered,  any
such  successor  Rights Agent may adopt the  countersignature  of a  predecessor
Rights Agent and deliver such Rights Certificates so countersigned;  and in case
at that time any of the Rights  Certificates shall not have been  countersigned,
any successor  Rights Agent may countersign such Rights  Certificates  either in
the name of the predecessor or in the name of the successor Rights Agent; and in
all such cases such Rights  Certificates  shall have the full force  provided in
the Rights Certificates and in this Agreement.


<PAGE>

                  (b) In case at any time the name of the Rights  Agent shall be
changed  and at  such  time  any of the  Rights  Certificates  shall  have  been
countersigned but not delivered the Rights Agent may adopt the  countersignature
under its prior name and deliver Rights  Certificates so  countersigned;  and in
case  at  that  time  any  of  the  Rights  Certificates  shall  not  have  been
countersigned,  the Rights Agent may countersign such Rights Certificates either
in its prior name or in its  changed  name;  and in all such  cases such  Rights
Certificates  shall have the full force provided in the Rights  Certificates and
in this Agreement.

          Section 20. Duties of Rights Agent.  The Rights Agent  undertakes  the
duties and  obligations  imposed by this Agreement upon the following  terms and
conditions,  and no  implied  duties  or  obligations  shall be read  into  this
Agreement  against the Rights Agent, by all of which the Company and the holders
of  Rights  Certificates  or  beneficial  interests  in  the  Rights,  by  their
acceptance thereof, shall be bound:

                  (a) Before the Rights Agent acts or refrains from acting,  the
Rights  Agent may consult with legal  counsel (who may be legal  counsel for the
Company),  and the written  opinion or advice of such counsel  shall be full and
complete authorization and protection to the Rights Agent as to any action taken
or omitted by it in good faith and in accordance with such opinion or advice.

                  (b)  Whenever  in the  performance  of its  duties  under this
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter (including,  without limitation, the identity of any Acquiring Person and
the  determination  of "current  market  price") be proved or established by the
Company prior to taking or suffering any action  hereunder,  such fact or matter
(unless other evidence in respect thereof be herein specifically prescribed) may
be deemed to be conclusively  proved and established by a certificate  signed by
any person  believed by the Rights  Agent to be the  Chairman of the Board,  the
Vice Chairman of the Board, the Chief Executive Officer, any Vice President, the
Treasurer,  any Assistant Treasurer, the Secretary or any Assistant Secretary of
the Company and delivered to the Rights  Agent;  and such  certificate  shall be
full  authorization to the Rights Agent for any action taken or suffered in good
faith by it under  the  provisions  of this  Agreement  in  reliance  upon  such
certificate.

                  (c) The Rights  Agent shall be liable  hereunder  only for its
own gross negligence or willful misconduct.

                  (d) The Rights  Agent  shall not be liable for or by reason of
any of the statements of fact or recitals  contained in this Agreement or in the

<PAGE>

Rights  Certificates  or be  required  to  verify  the  same  (except  as to its
countersignature  on such  Rights  Certificates),  but all such  statements  and
recitals are and shall be deemed to have been made by the Company only.

                  (e) The Rights Agent shall not be under any  responsibility in
respect of the validity of any provision of this  Agreement or the execution and
delivery  hereof  (except the due  execution  hereof by the Rights  Agent) or in
respect of the  validity  or  execution  of any Rights  Certificate  (except its
countersignature  thereof);  nor shall it be  responsible  for any breach by the
Company of any  covenant or  condition  contained  in this  Agreement  or in any
Rights  Certificate;  nor  shall  it  be  responsible  for  any  change  in  the
exercisability of the Rights or any adjustment  required under the provisions of
this  Agreement  or  responsible  for the  manner,  method or amount of any such
adjustment or the  ascertaining of the existence of facts that would require any
such  adjustment  (except with  respect to the  exercise of Rights  evidenced by
Rights Certificates after actual notice of any such adjustment); nor shall it by
any act  hereunder  be deemed to make any  representation  or warranty as to the
authorization  or reservation of any Common Shares to be issued pursuant to this
Agreement  or any  Rights  Certificate  or as to whether  any  Common  Shares or
Preferred Shares will, when so issued, be validly  authorized and issued,  fully
paid and nonassessable.

                  (f)  The  Company  agrees  that  it  will  perform,   execute,
acknowledge  and deliver or cause to be performed,  executed,  acknowledged  and
delivered  all such further and other acts,  instruments  and  assurances as may
reasonably be required by the Rights Agent for the carrying out or performing by
the Rights Agent of the provisions of this Agreement.

                  (g) The Rights  Agent is hereby  authorized  and  directed  to
accept instructions with respect to the performance of its duties hereunder from
any person  believed by the Rights Agent to be the President and Chief Executive
Officer, the Executive Vice President,  any Vice President,  the Secretary,  any
Assistant  Secretary,  the Treasurer or any Assistant  Treasurer of the Company,
and to apply to such officers for advice or  instructions in connection with its
duties,  and it shall not be liable for any action taken or suffered to be taken
by it in good faith in accordance  with  instructions  of any such officer.  Any
application by the Rights Agent for written  instructions  from the Company may,
at the option of the Rights Agent,  set forth in writing any action  proposed to
be taken or omitted by the Rights Agent under this  Agreement and the date on or
after which such action shall be taken or such omission shall be effective.  The
Rights  Agent shall not be liable for any action  taken by, or omission  of, the
Rights Agent in accordance with a proposal  included in any such  application on
or after the date  specified in such  application  (which date shall not be less

<PAGE>

than five  Business  Days  after the date any  officer of the  Company  actually
receives  such  application,  unless any such  officer  shall have  consented in
writing  to an earlier  date)  unless,  prior to taking any such  action (or the
effective date in the case of an omission), the Rights Agent shall have received
written instructions in response to such application specifying the action to be
taken or omitted.

                  (h) The Rights Agent and any stockholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in
which the  Company  may be  interested,  or  contract  with or lend money to the
Company  or  otherwise  act as fully and freely as though it were not the Rights
Agent under this Agreement and none of such actions shall constitute a breach of
trust.  Nothing  herein shall preclude the Rights Agent from acting in any other
capacity for the Company or for any other legal entity.

                  (i) The  Rights  Agent may  execute  and  exercise  any of the
rights or powers hereby vested in it or perform any duty hereunder either itself
or by or through  its  attorneys  or agents,  and the Rights  Agent shall not be
answerable or  accountable  for any act,  default,  neglect or misconduct of any
such attorneys or agents or for any loss to the Company  resulting from any such
act, default, neglect or misconduct.

                  (j) No provision of this  Agreement  shall  require the Rights
Agent to expend or risk its own funds or otherwise incur any financial liability
in the  performance  of any of its duties  hereunder  or in the  exercise of its
rights if there shall be reasonable grounds for believing that repayment of such
funds  or  adequate  indemnification  against  such  risk  or  liability  is not
reasonably assured to it.

                  (k) If, with respect to any Rights Certificate  surrendered to
the Rights Agent for exercise or transfer,  the certificate attached to the form
of  assignment  or form of election to purchase,  as the case may be, has either
not been  completed or indicates  an  affirmative  response to clause 1 and/or 2
thereof, the Rights Agent shall not take any further action with respect to such
requested exercise or transfer without first consulting with the Company.

                  (l) The Rights Agent  undertakes  only the express  duties and
obligations imposed on it by this Agreement and no implied duties or obligations
shall be read into this Agreement against the Rights Agent.

<PAGE>

                  (m)    Anything   in   this    Agreement   to   the   contrary
notwithstanding,  in no event  shall the  Rights  Agent be liable  for  special,
indirect or consequential  loss or damage of any kind whatsoever  (including but
not limited to lost profits).

                  (n) The Rights  Agent  shall not be required to take notice or
be deemed to have notice of any fact, event or determination (including, without
limitation,  any dates or events defined in this Agreement or the designation of
any Person as an Acquiring Person,  Affiliate or Associate) under this Agreement
unless and until the Rights Agent shall be  specifically  notified in writing by
the Company of such fact, event or determination.

          Section 21. The Rights Agent or any successor  Rights Agent may resign
and be discharged  from its duties under this  Agreement  upon thirty (30) days'
prior written  notice  mailed to the Company and to each  transfer  agent of the
Common Shares and Preferred  Shares by registered or certified  mail, and at the
expense of the Company to the holders of the Rights Certificates by first- class
mail. The Company may remove the Rights Agent or any successor Rights Agent upon
thirty (30) days' prior  written  notice mailed to the Rights Agent or successor
Rights  Agent,  as the case may be,  and to each  transfer  agent of the  Common
Shares and Preferred Shares, by registered or certified mail, and to the holders
of the Rights Certificates by first-class mail. If the Rights Agent shall resign
or be removed or shall otherwise become  incapable of acting,  the Company shall
appoint a successor to the Rights Agent.  If the Company shall fail to make such
appointment  within a period of thirty  (30) days  after  giving  notice of such
removal  or  after  it has been  notified  in  writing  of such  resignation  or
incapacity by the resigning or incapacitated  Rights Agent or by the holder of a
Rights  Certificate (who shall, with such notice,  submit his Rights Certificate
for  inspection  by the  Company),  then any  registered  holder  of any  Rights
Certificate may apply to any court of competent jurisdiction for the appointment
of a new Rights Agent.  Any successor  Rights  Agent,  whether  appointed by the
Company or by such a court, shall be (a) a corporation organized, doing business
and in good standing  under the laws of the United States or of any state,  that
is authorized by law to exercise  corporate  trust and stock transfer powers and
is subject to supervision or examination by federal or state  authority and that
has at the time of its  appointment  as  Rights  Agent a  combined  capital  and
surplus adequate in the judgment of a majority of Continuing Directors in office
at the time to assure the performance of its duties hereunder and the protection
of the  interests  of the  Company  and the  holders  of  Rights  or  beneficial
interests therein, or (b) an Affiliate of a corporation  described in clause (a)
of this sentence. After appointment,  the successor Rights Agent shall be vested
with the same  powers,  rights,  duties and  responsibilities  as if it had been
originally  named  as  Rights  Agent  without  further  act  or  deed;  but  the
predecessor  Rights  Agent shall  deliver and transfer to the  successor  Rights
Agent any property at the time held by it hereunder, and execute and deliver any

<PAGE>

further assurance,  conveyance, act or deed necessary for the purpose. Not later
than the effective date of any such  appointment,  the Company shall file notice
thereof in writing with the predecessor  Rights Agent and each transfer agent of
the Common Shares and Preferred  Shares and mail a notice  thereof in writing to
the registered holders of the Rights  Certificates or, prior to the Distribution
Date, to the registered holders of the Common Shares. Failure to give any notice
provided  for in this  Section 21,  however,  or any defect  therein,  shall not
affect the  legality  or validity  of the  resignation  or removal of the Rights
Agent or the appointment of the successor Rights Agent, as the case may be.

          Section 22. Notwithstanding any of the provisions of this Agreement or
of the Rights to the contrary,  the Company may, at its option, issue new Rights
Certificates  evidencing  Rights in such form as may be approved by its Board of
Directors  to reflect any  adjustment  or change in the  Purchase  Price and the
number or kind or class of shares or other  securities  or property  purchasable
under the Rights  Certificates  made in accordance  with the  provisions of this
Agreement.  In addition,  in connection  with the issuance,  sale or delivery of
Common Shares  following the  Distribution  Date and prior to the  redemption or
expiration of the Rights,  the Company (a) shall,  with respect to Common Shares
so issued,  sold or delivered  pursuant to the exercise of stock options,  stock
appreciation rights, grants or awards outstanding on the Distribution Date under
any  benefit  plan or  arrangement  for  employees  or  directors,  or upon  the
exercise, conversion or exchange of securities outstanding on the Record Date or
hereinafter  issued by the  Company,  and (b) may, in any other case,  if deemed
necessary or appropriate by the Board of Directors of the Company,  issue Rights
Certificates  representing  the appropriate  number of Rights in connection with
such issuance or sale;  provided,  however,  that (i) no such Rights Certificate
shall be issued if,  and to the extent  that,  the  Company  shall be advised by
counsel that such issuance would create a significant  risk of material  adverse
tax  consequences  to the Company or the Person to whom such Rights  Certificate
would be issued,  and (ii) no such Rights Certificate shall be issued if, and to
the extent that,  appropriate  adjustment shall otherwise have been made in lieu
of the issuance thereof.

            Section 23.  Redemption and Termination

                  (a) The Board of  Directors of the Company may, at its option,
at any time prior to the  earlier of (i) the close of  business on the tenth day
following a Stock Acquisition Date (or, if the Stock Acquisition Date shall have
occurred  prior to the  Record  Date,  the  close of  business  on the tenth day
following the Record Date), or (ii) the Final  Expiration  Date,  redeem all but
not less than all the then outstanding  Rights at a redemption price of $.01 per
Right, as such amount may be appropriately  adjusted to reflect any stock split,
stock  dividend or similar  transaction  occurring  after the date hereof  (such

<PAGE>

redemption price being  hereinafter  referred to as the "Redemption  Price") and
the Company may, at its option, pay the Redemption Price either in Common Shares
(based on the "current market price",  as defined in Section 11(d)(i) hereof, of
the Common Shares at the time of redemption) or cash; provided,  however, if the
Board of Directors of the Company authorizes  redemption of the Rights in either
of the  circumstances  set forth in clauses (i) and (ii) of this  proviso,  then
there must be Continuing  Directors then in office and such authorization  shall
require the concurrence of a majority of such Continuing  Directors if: (i) such
authorization  occurs on or after the time a Person becomes an Acquiring Person,
or (ii) such  authorization  occurs on or after the date of a change  (resulting
from a proxy or consent  solicitation)  in a majority of the directors in office
at the  commencement of such  solicitation if any Person who is a participant in
such solicitation has stated (or, if upon the commencement of such solicitation,
a majority  of the Board of  Directors  of the Company  has  determined  in good
faith)  that such Person (or any of its  Affiliates  or  Associates)  intends to
take,  or may  consider  taking,  any action  that would  result in such  Person
becoming an Acquiring  Person or that would cause the occurrence of a Triggering
Event unless, concurrent with such solicitation,  such Person (or one or more of
its  Affiliates  or  Associates)  is making a cash  tender  offer  pursuant to a
Schedule  14D-1 (or any successor  form) filed with the  Securities and Exchange
Commission  for all  outstanding  Common Shares not  beneficially  owned by such
Person (or by its Affiliates or Associates); provided further, however, that if,
following  the  occurrence  of  a  Stock  Acquisition  Date  and  following  the
expiration  of the right of  redemption  hereunder  but prior to any  Triggering
Event, (i) an Acquiring Person shall have transferred or otherwise disposed of a
number  of Common  Shares in one  transaction  or  series of  transactions,  not
directly or indirectly  involving the Company or any of its Subsidiaries,  which
did not result in the occurrence of a Triggering  Event or the Company (with the
approval of the majority of Continuing  Directors) shall have issued  additional
equity  securities,  in either  instance  such that such Person is  thereafter a
Beneficial Owner of 10% or less of the outstanding Common Shares, and (ii) there
is no other Acquiring Person  immediately  following the occurrence of the event
described in clause (i),  then the right of redemption  shall be reinstated  and
thereafter  be subject to the  provisions  of this  Section 23.  Notwithstanding
anything  contained in this  Agreement to the contrary,  the Rights shall not be
exercisable  after the first occurrence of a Section  11(a)(ii) Event until such
time as the Company's right of redemption hereunder has expired.

                  (b)  Immediately  upon the action of the Board of Directors of
the Company ordering the redemption of the Rights,  evidence of which shall have
been filed with the Rights Agent and without any further  action and without any
notice,  the right to  exercise  the Rights  will  terminate  and the only right
thereafter of the holders of Rights shall be to receive the Redemption Price for
each Right so held. Promptly after the action of the Board of Directors ordering

<PAGE>

the redemption of the Rights,  the Company shall give notice of such  redemption
to the Rights  Agent and the holders of the then  outstanding  Rights by mailing
such notice to all such holders at each holder's last address as it appears upon
the registry  books of the Rights Agent or, prior to the  Distribution  Date, on
the registry books of the Transfer Agent for the Common Shares.  Any notice that
is mailed in the manner herein  provided  shall be deemed given,  whether or not
the holder  receives the notice.  Each such notice of redemption  will state the
method by which the payment of the Redemption Price will be made.

                  (c) In deciding whether or not to exercise the Company's right
of redemption  hereunder,  the directors of the Company shall act in good faith,
in a manner they  reasonably  believe to be in the best interests of the Company
and with such care,  including  reasonable  inquiry,  skill and diligence,  as a
person of ordinary prudence would use under similar circumstances.

             Section 24.  Notice of Certain Events

                  (a) In case the Company shall  propose,  at any time after the
Distribution  Date, (i) to pay any dividend payable in stock of any class to the
holders of Preferred Shares or to make any other  distribution to the holders of
Preferred  Shares  (other than a regular  quarterly  dividend out of earnings or
retained earnings of the Company),  or (ii) to offer to the holders of Preferred
Shares  rights or  warrants  to  subscribe  for or to  purchase  any  additional
Preferred Shares or shares of stock of any class or any other securities, rights
or options,  or (iii) to effect any  reclassification  of its  Preferred  Shares
(other than a  reclassification  involving  only the  subdivision of outstanding
Preferred  Shares),  or (iv) to effect any  consolidation or merger into or with
any other Person (other than a Subsidiary of the Company in a transaction  which
complies with Section 11(o) hereof), or to effect any sale or other transfer (or
to permit one or more of its Subsidiaries to effect any sale or other transfer),
in one transaction or a series of related transactions,  of more than 50% of the
assets or earning power of the Company and its  Subsidiaries  (taken as a whole)
to any  other  Person or  Persons  (other  than the  Company  and/or  any of its
Subsidiaries  in one or more  transactions  each of which  complies with Section
11(o) hereof),  or (v) to effect the  liquidation,  dissolution or winding up of
the Company, then, in each such case, the Company shall give to each holder of a
Rights  Certificate,  to the extent  feasible and in accordance  with Section 25
hereof,  a notice of such proposed  action,  which shall specify the record date
for the purposes of such stock dividend,  distribution of rights or warrants, or
the date on which such reclassification,  consolidation, merger, sale, transfer,
liquidation,  dissolution  or  winding  up is to  take  place  and  the  date of
participation therein by the holders of Preferred Shares, if any such date is to

<PAGE>

be fixed, and such notice shall be so given in the case of any action covered by
clause (i) or (ii) above at least  twenty (20) days prior to the record date for
determining  holders of Preferred Shares for purposes of such action, and in the
case of any such other  action,  at least  twenty (20) days prior to the date of
the taking of such proposed action or the date of  participation  therein by the
holders of Preferred Shares, whichever shall be the earlier.

                  (b) Upon the occurrence of a Section  11(a)(ii) Event, (i) the
Company shall as soon as practicable  thereafter give to each holder of a Right,
to the extent feasible and in accordance with Section 25 hereof, a notice of the
occurrence of such event,  which shall specify the event and the consequences of
the event to holders of Rights  under  Section  11(a)(ii)  hereof,  and (ii) all
references  in the  preceding  paragraph  to  Preferred  Shares  shall be deemed
thereafter to refer to Common Shares and/or, if appropriate, other securities.

 . Notices or demands  authorized  by this  Agreement  to be given or made by the
Rights  Agent or by the holder of any Rights  Certificate  to or on the  Company
shall be sufficiently  given or made if sent by registered or certified mail and
shall be deemed given upon receipt, addressed (until another address is filed in
writing with the Rights Agent) as follows:

                  National Patent Development Corporation
                  9 West 57th Street
                  Suite 4170
                  New York, New York  10019
                  Attention: Jerome I. Feldman

Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement  to be given or made by the  Company  or by the  holder of any  Rights
Certificate  to or on the Rights  Agent shall be  sufficiently  given or made if
sent by  registered  or certified  mail and shall be deemed given upon  receipt,
addressed  (until  another  address is filed in  writing  with the  Company)  as
follows:

                  Harris Trust Company of New York
                  77 Water Street
                  New York, New York  10005
                  Attn:  Brian Sahlin

Notices  or  demands  authorized  by this  Agreement  to be given or made by the
Company or the Rights  Agent to the holder of any  Rights  Certificate  (or,  if
prior to the Distribution Date to the holder of certificates representing Common

<PAGE>


Shares) shall be  sufficiently  given or made if sent by registered or certified
mail and shall be deemed  given upon  receipt,  addressed  to such holder at the
address of such holder as shown on the registry books of the Company.

 .           Section 26.  Supplements and Amendments

                  (a)  Prior  to  the  Distribution  Date  and  subject  to  the
penultimate sentence of this Section 26, the Company and the Rights Agent shall,
if the Company so directs,  supplement or amend any provision of this  Agreement
without the approval of any holders of certificates  representing Common Shares.
From and after the Distribution Date and subject to the penultimate  sentence of
this  Section  26, the  Company and the Rights  Agent  shall,  if the Company so
directs,  supplement or amend this Agreement without the approval of any holders
of Rights  Certificates  in order (i) to cure any ambiguity,  (ii) to correct or
supplement any provision contained herein which may be defective or inconsistent
with any other provisions  herein,  (iii) to shorten or lengthen any time period
hereunder or (iv) to change or supplement the provisions hereunder in any manner
that the Company may deem  necessary or desirable  and that shall not  adversely
affect the  interests  of the  holders of Rights  Certificates;  provided,  this
Agreement  may not be  supplemented  or amended to lengthen,  pursuant to clause
(iii) of this  sentence,  (A) a time  period  relating to when the Rights may be
redeemed  at such time as the  Rights are not then  redeemable  or (B) any other
time period unless such lengthening is for the purpose of protecting,  enhancing
or clarifying the rights of, and/or the benefits to, the holders of Rights. Upon
the delivery of a certificate  from an  appropriate  officer of the Company that
states that the proposed supplement or amendment is in compliance with the terms
of this Section 26, the Rights Agent shall execute such supplement or amendment.
Notwithstanding  anything  contained in this  Agreement to the contrary,  (i) no
supplement or amendment  shall be made that changes the  Redemption  Price,  the
Final  Expiration  Date,  the Purchase  Price or the number of  Preferred  Share
Fractions  for which a Right is  exercisable,  (ii) any  supplement or amendment
shall be effective only if there are Continuing  Directors and shall require the
concurrence of a majority of such  Continuing  Directors if: (x) such supplement
or amendment occurs on or after the time a Person becomes an Acquiring Person or
(y)  such  supplement  or  amendment  occurs  on or  after  the date of a change
(resulting from a proxy or consent  solicitation) in a majority of the directors
in  office at the  commencement  of such  solicitation  if any  Person  who is a
participant in such  solicitation  has stated (or, if upon the  commencement  of
such  solicitation,  a majority  of the Board of  Directors  of the  Company has
determined  in  good  faith)  that  such  Person  (or any of its  Affiliates  or
Associates)  intends to take,  or may  consider  taking,  any action  that would
result in such  Person  becoming  an  Acquiring  Person or that would  cause the
occurrence of a Triggering Event unless, concurrent with such solicitation, such
Person (or one or more of its  Affiliates or Associates) is making a cash tender

<PAGE>

offer  pursuant  to a  Schedule  14D-1 (or any  successor  form)  filed with the
Securities  and  Exchange  Commission  for all  outstanding  Common  Shares  not
beneficially  owned by such Person (or by its  Affiliates  or  Associates);  and
(iii) no  supplement  or  amendment  that  changes  the rights and duties of the
Rights Agent under this Agreement shall be effective  without the consent of the
Rights Agent.  Prior to the  Distribution  Date, the interests of the beneficial
owners of Rights shall be deemed coincident with the interests of the holders of
Common Shares.

                  (b) In  deciding  whether or not to  supplement  or amend this
Agreement,  the  directors of the Company  shall act in good faith,  in a manner
they reasonably believe to be in the best interests of the Company and with such
care, including reasonable inquiry, skill and diligence, as a person of ordinary
prudence  would use  under  similar  circumstances,  and they may  consider  the
effects of any action upon employees, suppliers and customers of the Company and
upon  communities  in which offices or other  establishments  of the Company are
located, and all other pertinent factors.

                  (c)   Notwithstanding   anything  in  this  Agreement  to  the
contrary,  no supplement or amendment  that changes the rights and duties of the
Rights Agent under this Agreement shall be effective without the written consent
of the Rights Agent.

          Section 27. All the covenants and  provisions of this  Agreement by or
for the benefit of the  Company or the Rights  Agent shall bind and inure to the
benefit of their respective successors and assigns hereunder.

          Section  28.  Determinations  and  Actions  by the  Board of . For all
purposes  of this  Agreement,  any  calculation  of the number of Common  Shares
outstanding at any particular  time,  including for purposes of determining  the
particular  percentage of such outstanding  Common Shares of which any Person is
the Beneficial Owner, shall be made in accordance with the last sentence of Rule
13d-3(d)(1)(i)  of the General Rules and Regulations under the Exchange Act. The
Board of Directors of the Company (with, where specifically provided for herein,
the concurrence of the Continuing  Directors) shall have the exclusive power and
authority to  administer  this  Agreement  and to exercise all rights and powers
specifically granted to the Board (with, where specifically provided for herein,
the  concurrence  of the Continuing  Directors) or to the Company,  or as may be
necessary or  advisable  in the  administration  of this  Agreement,  including,
without limitation,  the right and power to (i) interpret the provisions of this
Agreement and (ii) make all determinations deemed necessary or advisable for the
administration  of this Agreement  (including a  determination  to redeem or not
redeem the Rights or to amend or supplement  the  Agreement).  All such actions,

<PAGE>

calculations,  interpretations  and determinations  (including,  for purposes of
clause (y) below,  all omissions with respect to the foregoing) that are done or
made by the Board (with, where specifically provided for herein, the concurrence
of the Continuing  Directors) in good faith, shall (x) be final,  conclusive and
binding on the  Company,  the Rights  Agent,  the  holders of the Rights and all
other parties and (y) not subject the Board or the  Continuing  Directors to any
liability to the holders of the Rights.

          Section 29.  Benefits  of this  Agreement.  Nothing in this  Agreement
shall be  construed  to give to any Person  other than the  Company,  the Rights
Agent and the registered  holders of the Rights  Certificates (and, prior to the
Distribution  Date,  registered  holders  of the  Common  Shares)  any  legal or
equitable right, remedy or claim under this Agreement;  but this Agreement shall
be for the sole and exclusive  benefit of the Company,  the Rights Agent and the
registered  holders of the Rights  Certificates  (and, prior to the Distribution
Date, registered holders of the Common Shares).

          Section  30.  Severability.   If  any  term,  provision,  covenant  or
restriction  of this Agreement is held by a court of competent  jurisdiction  or
other authority to be invalid,  void or  unenforceable  for any purpose or under
any set of  circumstances  or as applied to any Person,  such  invalid,  void or
unenforceable term, provision,  covenant or restriction shall continue in effect
to the  maximum  extent  possible  for  all  other  purposes,  under  all  other
circumstances  and as applied to all other  Persons;  and the  remainder  of the
terms, provisions,  covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected,  impaired or invalidated;
provided,  however,  that  notwithstanding  anything  in this  Agreement  to the
contrary, if any such term,  provision,  covenant or restriction is held by such
court  or  authority  to be  invalid,  void or  unenforceable  and the  Board of
Directors of the Company determines in its good faith judgment that severing the
invalid  language  from this  Agreement  would  adversely  affect the purpose or
effect of this Agreement, the right of redemption set forth in Section 23 hereof
shall be  reinstated  and shall not expire  until the close of  business  on the
tenth day  following the date of such  determination  by the Board of Directors.
Without limiting the foregoing, if any provisions requiring that a determination
be made by less than the entire Board (or at a time or with the concurrence of a
group of directors  consisting of less than the entire Board) is held by a court
of  competent   jurisdiction  or  other   authority  to  be  invalid,   void  or
unenforceable,  such determination shall then be made by the Board in accordance
with applicable law and the Company's articles of incorporation and by-laws.

          Section 31. Governing Law. This Agreement,  each Right and each Rights
Certificate  issued  hereunder  shall be deemed to be a contract  made under the
laws of the State of  Delaware  and for all  purposes  shall be  governed by and

<PAGE>

construed  in  accordance  with  the  laws of such  jurisdiction  applicable  to
contracts made and to be performed entirely within such jurisdiction,  except as
to Sections 18, 20 and 21 which shall be governed by and construed in accordance
with the laws of the State of Illinois.

          Section 32. Counterparts. This Agreement may be executed in any number
of counterparts and each of such  counterparts  shall for all purposes be deemed
to be an original,  and all such counterparts shall together  constitute but one
and the same instrument.

          Section 33. Descriptive Headings.  Descriptive headings of the several
Sections of this  Agreement  are  inserted  for  convenience  only and shall not
control or affect the meaning or construction of any of the provisions hereof.


                           [Signature Page to Follow]

<PAGE>



      IN WITNESS  WHEREOF,  the parties  hereto have caused this Agreement to be
duly executed as of the day and year first above written.

                              NATIONAL PATENT DEVELOPMENT
                              CORPORATION

                              By: Jerome I. Feldman
                                  Chief Executive Officer


                              HARRIS TRUST COMPANY OF NEW YORK
                              as Rights Agent

                              By: Brian Sahlin
                                 

<PAGE>




                                                                 EXHIBIT A

                 RESOLUTION OF THE BOARD OF DIRECTORS OF
                 NATIONAL PATENT DEVELOPMENT CORPORATION
                        ESTABLISHING & DESIGNATING
              SERIES A JUNIOR PARTICIPATING PREFERRED STOCK
               AS A SERIES OF THE SERIES A PREFERRED STOCK


            RESOLVED,  that  pursuant to the authority  expressly  vested in the
Board  of   Directors   of  National   Patent   Development   Corporation   (the
"Corporation") by Article Four of the Certificate of Incorporation,  as amended,
of the  Corporation,  the Board of  Directors  hereby fixes and  determines  the
voting   rights,   designations,   preferences,   qualifications,    privileges,
limitations,  restrictions,  options,  conversion  rights  and other  special or
relative  rights of a series of the Preferred  Stock,  par value $.01 per share,
which shall  consist of 10,000 shares and shall be designated as Series A Junior
Participating Preferred Stock (the "Series A Preferred Shares").

Special Terms of the Series A Preferred Shares

            Section 1.  Dividends and Distributions.

            (a) The rate of  dividends  payable  per share of Series A Preferred
Shares on the first day of January, April, July and October in each year or such
other  quarterly  payment  date as shall be  specified by the Board of Directors
(each  such date  being  referred  to herein as a  "Quarterly  Dividend  Payment
Date"),  commencing on the first Quarterly Dividend Payment Date after the first
issuance of a share or  fraction  of a share of the Series A  Preferred  Shares,
shall be (rounded to the nearest cent) equal to the greater of (i) $0.01 or (ii)
subject to the provision for adjustment  hereinafter set forth,  1,000 times the
aggregate per share amount of all cash dividends,  and 1,000 times the aggregate
per share amount (payable in cash,  based upon the fair market value at the time
the non-cash dividend or other distribution is declared or paid as determined in
good  faith by the  Board  of  Directors)  of all  non-cash  dividends  or other
distributions  other than a dividend  payable in Common  Shares (as  hereinafter
defined) or a subdivision of the outstanding Common Shares (by  reclassification
or otherwise), declared on either the Common Stock, $.01 par value, or the Class
B Capital Stock,  $.01 par value  (collectively,  the "Common Shares") since the
immediately  preceding  Quarterly Dividend Payment Date, or, with respect to the
first Quarterly  Dividend Payment Date, since the first issuance of any share or
fraction of a share of the Series A Preferred Shares.  Dividends on the Series A
Preferred Shares shall be paid out of funds legally  available for such purpose.
In the event the Corporation  shall at any time after June 23, 1997 (the "Rights
Dividend Declaration Date") (i) declare any dividend on Common Shares payable in
Common Shares,  (ii) subdivide the outstanding  Common Shares,  or (iii) combine

<PAGE>

the outstanding Common Shares into a smaller number of shares, then in each such
case the  amounts to which  holders of Series A Preferred  Shares were  entitled
immediately  prior to such event  under  clause (ii) of the  preceding  sentence
shall be adjusted by multiplying each such amount by a fraction the numerator of
which is the number of Common Shares  outstanding  immediately  after such event
and  the  denominator  of  which  is the  number  of  Common  Shares  that  were
outstanding immediately prior to such event.

            (b) Dividends shall begin to accrue and be cumulative on outstanding
Series A  Preferred  Shares  from  the  Quarterly  Dividend  Payment  Date  next
preceding the date of issue of such Series A Preferred  Shares,  unless the date
of issue of such  shares is prior to the  record  date for the  first  Quarterly
Dividend  Payment  Date,  in which case  dividends on such shares shall begin to
accrue from the date of issue of such  shares,  or unless the date of issue is a
Quarterly  Dividend  Payment  Date or is a date  after the  record  date for the
determination  of holders of Series A  Preferred  Shares  entitled  to receive a
quarterly dividend and before such Quarterly Dividend Payment Date, in either of
which events such  dividends  shall begin to accrue and be cumulative  from such
quarterly  Dividend  Payment Date.  Accrued but unpaid  dividends shall not bear
interest. Dividends paid on the Series A Preferred Shares in an amount less than
the total  amount of such  dividends  at the time  accrued  and  payable on such
shares  shall be  allocated  pro rata on a  share-by-share  basis among all such
shares at the time outstanding.

            Section 2. Voting  Rights.  In  addition  to any other  voting
rights  required by law,  the holders of Series A Preferred  Shares  shall
have the following voting rights:

            (a) Subject to the provision for adjustment  hereinafter  set forth,
each Series A Preferred Share shall entitle the holder thereof to 1,000 votes on
all matters  submitted to a vote of the stockholders of the Corporation.  In the
event the Corporation  shall at any time after the Rights  Declaration  Date (i)
declare any  dividend on Common  Shares  payable in any class of Common  Shares,
(ii) subdivide the outstanding  Common Shares,  or (iii) combine the outstanding
Common Shares into a smaller number of shares, then in each such case the number
of votes per share to which  holders of Series A Preferred  Shares were entitled
immediately  prior to such event shall be adjusted by multiplying such number by
a fraction  the  numerator of which is the number of Common  Shares  outstanding
immediately  after  such  event and the  denominator  of which is the  number of
Common Shares that were outstanding immediately prior to such event.

            (b) In the event that dividends  upon the Series A Preferred  Shares
shall be in arrears to an amount equal to six full quarterly  dividends thereon,
the holders of such  Series A  Preferred  Shares  shall  become  entitled to the
extent  hereinafter  provided  to  vote  noncumulatively  at  all  elections  of
directors  of  the  Corporation,  and to  receive  notice  of all  stockholders'
meetings  to be held for such  purpose.  At such  meetings,  to the extent  that

<PAGE>


directors  are being  elected,  the holders of such  Series A  Preferred  Shares
voting as a class shall be entitled  solely to elect two members of the Board of
Directors of the Corporation;  and all other directors of the Corporation  shall
be elected by the other stockholders of the Corporation  entitled to vote in the
election  of  directors.  Such  voting  rights of the  holders of such  Series A
Preferred  Shares shall  continue  until all  accumulated  and unpaid  dividends
thereon shall have been paid or funds sufficient  therefor set aside,  whereupon
all such  voting  rights of the holders of shares of such  series  shall  cease,
subject to being again  revived from time to time upon the  reoccurrence  of the
conditions above described as giving rise thereto.

            At any time when such right to elect directors separately as a class
shall have so vested,  the Corporation  may, and upon the written request of the
holders of record of not less than 20% of the then  outstanding  total number of
shares of all the Series A Preferred  Shares having the right to elect directors
in such circumstances  shall, call a special meeting of holders of such Series A
Preferred  Shares for the election of  directors.  In the case of such a written
request, such special meeting shall be held within 90 days after the delivery of
such request,  and, in either case, at the place and upon the notice provided by
law and in the By-laws of the Corporation;  provided, that the Corporation shall
not be required to call such a special  meeting if such request is received less
than 120 days  before  the date  fixed for the next  ensuing  annual or  special
meeting of  stockholders of the  Corporation.  Upon the mailing of the notice of
such special meeting to the holders of such Series A Preferred Shares, or, if no
such meeting be held,  then upon the mailing of the notice of the next annual or
special  meeting of  stockholders  for the election of directors,  the number of
directors of the Corporation  shall, ipso facto, be increased to the extent, but
only to the extent,  necessary  to provide  sufficient  vacancies  to enable the
holders of such Series A Preferred Shares to elect the two directors hereinabove
provided for, and all such vacancies shall be filled only by vote of the holders
of such Series A Preferred Shares as hereinabove  provided.  Whenever the number
of  directors of the  Corporation  shall have been  increased,  the number as so
increased may thereafter be further increased or decreased in such manner as may
be  permitted  by the  By-laws  and  without the vote of the holders of Series A
Preferred  Shares,  provided  that no such action  shall impair the right of the
holders  of Series A  Preferred  Shares to elect  and to be  represented  by two
directors as herein provided.

            So long as the  holders of Series A  Preferred  Shares are  entitled
hereunder to voting rights,  any vacancy in the Board of Directors caused by the
death  or  resignation  of any  director  elected  by the  holders  of  Series A
Preferred Shares, shall, until the next meeting of shareholders for the election
of directors,  in each case be filled by the remaining  director  elected by the
holders of Series A Preferred Shares having the right to elect directors in such
circumstances.

            Upon  termination  of the voting rights of the holders of any series
of Series A  Preferred  Shares the terms of office of all persons who shall have

<PAGE>

been  elected  directors of the  Corporation  by vote of the holders of Series A
Preferred  Shares or by a  director  elected  by such  holders  shall  forthwith
terminate.

            (c) Except as  otherwise  provided  herein,  in the  articles of the
Corporation or by law, the holders of Series A Preferred  Shares and the holders
of Common  Shares  (and the  holders  of  shares  of any  other  series or class
entitled  to vote  thereon)  shall  vote  together  as one class on all  matters
submitted to a vote of stockholders of the Corporation.

            Section  3.  Reacquired   Shares.  Any  Series  A  Preferred  Shares
purchased  or otherwise  acquired by the  Corporation  in any manner  whatsoever
shall be retired and cancelled promptly after the acquisition  thereof. All such
shares shall upon their  cancellation  become  authorized  but  unissued  Series
Preferred Stock and may be reissued as part of a new series of Series  Preferred
Stock to be created by resolution or resolutions of the Board of Directors.

            Section 4.  Liquidation,  Dissolution or Winding Up. In the event of
any  voluntary  or  involuntary  liquidation,  dissolution  or winding up of the
Corporation,  the  holders of Series A  Preferred  Shares  shall be  entitled to
receive the greater of (a) $100 per share, plus accrued dividends to the date of
distribution,  whether  or not earned or  declared,  or (b) an amount per share,
subject to the provision for adjustment  hereinafter  set forth,  equal to 1,000
times the  aggregate  amount to be  distributed  per share to  holders of Common
Shares.  In the  event  the  Corporation  shall at any  time  after  the  Rights
Declaration  Date (i) declare any  dividend on Common  Shares  payable in Common
Shares,  (ii)  subdivide the  outstanding  Common  Shares,  or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, then in each
such case the amount to which holders of Series A Preferred Shares were entitled
immediately prior to such event pursuant to clause (b) of the preceding sentence
shall be adjusted by  multiplying  such amount by a fraction  the  numerator  of
which is the number of Common Shares  outstanding  immediately  after such event
and  the  denominator  of  which  is the  number  of  Common  Shares  that  were
outstanding immediately prior to such event.

            Section 5. Consolidation, Merger, etc. In case the Corporation shall
enter into any consolidation,  merger, combination or other transaction in which
the shares of Common  Shares are  exchanged  for or changed  into other stock or
securities,  cash and/or any other property,  then in any such case the Series A
Preferred Shares shall at the same time be similarly  exchanged or changed in an
amount per share (subject to the provision for adjustment hereinafter set forth)
equal to 1,000 times the aggregate amount of stock, securities,  cash and/or any
other  property  (payable in kind),  as the case may be, into which or for which
each Common Share is changed or exchanged. In the event the Corporation shall at
any time after the Rights  Declaration  Date (i) declare any  dividend on Common
Shares  payable in any class of Common Shares,  (ii)  subdivide the  outstanding
shares of Common Shares,  or (iii) combine the outstanding  Common Shares into a

<PAGE>

smaller  number of  shares,  then in each such case the  amount set forth in the
preceding  sentence with respect to the exchange or change of shares of Series A
Preferred  Shares shall be adjusted by multiplying such amount by a fraction the
numerator of which is the number of Common Shares outstanding  immediately after
such event and the denominator of which is the number of Common Shares that were
outstanding immediately prior to such event.

            Section  6. No  Redemption.  The  Series  A  Preferred  Shares
shall not be redeemable.

            Section 7. Ranking.  The Series A Preferred Shares shall rank junior
to all  other  series  of the  Corporation's  Series  Preferred  Stock as to the
payment of dividends  and the  distribution  of assets,  unless the terms of any
such series shall provide otherwise.

            Section  8.  Fractional  Shares.  Series A  Preferred  Shares may be
issued in fractions of a share which shall entitle the holder,  in proportion to
such holder's  fractional shares, to exercise voting rights,  receive dividends,
participate  in  distributions  and to have the  benefit of all other  rights of
holders of Series A Preferred Shares.

<PAGE>






                                                                 EXHIBIT B





                       [Form of Rights Certificate]




Certificate No.  R-                       ___________ Rights





      NOT  EXERCISABLE  AFTER JULY 3, 2007 OR AFTER  EARLIER  REDEMPTION  BY THE
      COMPANY.  THE  RIGHTS  ARE  SUBJECT  TO  REDEMPTION,  AT THE OPTION OF THE
      COMPANY, AT $.01 PER RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.
      UNDER CERTAIN  CIRCUMSTANCES,  RIGHTS  BENEFICIALLY  OWNED BY AN ACQUIRING
      PERSON  (AS  SUCH  TERM  IS  DEFINED  IN THE  RIGHTS  AGREEMENT)  AND  ANY
      SUBSEQUENT  HOLDER OF SUCH  RIGHTS MAY BECOME  NULL AND VOID.  [THE RIGHTS
      REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR WERE BENEFICIALLY OWNED BY A
      PERSON WHO WAS OR BECAME AN ACQUIRING  PERSON OR AN AFFILIATE OR ASSOCIATE
      OF  AN  ACQUIRING  PERSON  (AS  SUCH  TERMS  ARE  DEFINED  IN  THE  RIGHTS
      AGREEMENT).   ACCORDINGLY,   THIS  RIGHTS   CERTIFICATE   AND  THE  RIGHTS
      REPRESENTED HEREBY MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED
      IN SECTION 7(e) OF SUCH AGREEMENT.]*

- ---------------
*     The  bracketed  portion of the legend shall be inserted only if applicable
      and shall replace the preceding sentence.


<PAGE>



                    NATIONAL PATENT DEVELOPMENT CORPORATION

                            RIGHTS CERTIFICATE


            This certifies that _______________________,  or registered assigns,
is the registered  owner of the number of Rights set forth above,  each of which
entitles the owner thereof,  subject to the terms,  provisions and conditions of
the  Rights  Agreement,  dated as of June 23,  1997  (the  "Rights  Agreement"),
between National Patent  Development  Corporation,  a Delaware  corporation (the
"Company"),  and Harris  Trust  Company  of New York (the  "Rights  Agent"),  to
purchase  from the  Company  at any  time  prior to 5:00  P.M.  (San  Francisco,
California  time) on July 3, 2007 at the office or  offices of the Rights  Agent
designated  for  such  purpose,  or its  successors  as  Rights  Agent,  one one
thousandth of a fully paid, nonassessable share of Series A Junior Participating
Preferred Stock (the "Preferred Share") of the Company, at a purchase price (the
"Purchase  Price") of $33.00 per one one  thousandth of a Preferred  Share (such
fraction, a "Preferred Share Fraction"), upon presentation and surrender of this
Rights Certificate with the Form of Election to Purchase and related Certificate
duly  executed.  Except as provided  in  Sections  11(q) and 13(e) of the Rights
Agreement,  the  Purchase  Price  shall be paid in cash.  The  number  of Rights
evidenced  by this  Rights  Certificate  (and  the  number  of  Preferred  Share
Fractions that may be purchased upon exercise  thereof) set forth above, and the
Purchase Price per Preferred Share Fraction set forth above,  are the number and
Purchase Price as of June 23, 1997, based on the Preferred Shares as constituted
at such date.  Capitalized  terms  used but not  defined  herein  shall have the
meanings ascribed to them in the Rights Agreement.

            Except as  otherwise  provided  in the  Rights  Agreement,  upon the
occurrence of any Section 11(a)(ii) Event (as such term is defined in the Rights
Agreement),  if the Rights evidenced by this Rights Certificate are beneficially
owned by (i) an  Acquiring  Person  or an  Affiliate  or  Associate  of any such
Acquiring  Person (as such terms are  defined in the Rights  Agreement),  (ii) a
transferee of any such Acquiring Person,  Associate or Affiliate, or (iii) under
certain  circumstances  specified in the Rights  Agreement,  a  transferee  of a
person who, after such transfer,  became an Acquiring Person, or an Affiliate or
Associate of an Acquiring Person,  such Rights shall become null and void and no
holder  hereof  shall have any right with  respect to such Rights from and after
the occurrence of any such Section 11(a)(ii) Event.

            As  provided in the Rights  Agreement,  the  Purchase  Price and the
number and kind of Preferred  Shares or other  securities  that may be purchased
upon the exercise of the Rights evidenced by this Rights Certificate are subject
to modification  and adjustment upon the happening of certain events,  including
Triggering Events.

<PAGE>

            This Rights  Certificate is subject to all of the terms,  provisions
and conditions of the Rights Agreement,  which terms,  provisions and conditions
are hereby  incorporated herein by reference and made a part hereof and to which
Rights Agreement  reference is hereby made for a full description of the rights,
limitations  of rights,  obligations,  duties and  immunities  hereunder  of the
Rights  Agent,  the Company and the  holders of the Rights  Certificates,  which
limitations of rights include the temporary  suspension of the exercisability of
such Rights under the specific  circumstances set forth in the Rights Agreement.
Copies of the Rights Agreement are on file at the above-mentioned  office of the
Rights Agent and are also available upon written request to the Company.

            This Rights Certificate,  with or without other Rights Certificates,
upon surrender at the principal office or offices of the Rights Agent designated
for such purpose,  may be exchanged  for another  Rights  Certificate  or Rights
Certificates  of like tenor and date evidencing  Rights  entitling the holder to
purchase a like  aggregate  number of  Preferred  Share  Fractions as the Rights
evidenced by the Rights  Certificate or Rights  Certificates  surrendered  shall
have  entitled  such holder to  purchase.  If this Rights  Certificate  shall be
exercised in part, the holder shall be entitled to receive upon surrender hereof
another Rights Certificate or Rights Certificates for the number of whole Rights
not exercised.

            Subject  to the  provisions  of the  Rights  Agreement,  the  Rights
evidenced by this  Certificate may be redeemed by the Company at its option at a
redemption price of $.01 per Right at any time prior to the earlier of the close
of business on (i) the tenth day following the Stock  Acquisition  Date (as such
time period may be  extended  pursuant  to the Rights  Agreement),  and (ii) the
Final  Expiration  Date.  Under  certain  circumstances  set forth in the Rights
Agreement, the decision to redeem shall require the concurrence of a majority of
the Continuing Directors.

            No fractional  Preferred  Shares will be issued upon the exercise of
any Right or Rights  evidenced  hereby (other than fractions  which are integral
multiples of a Preferred  Share,  which may, as the election of the Company,  be
evidenced by  depositary  receipts),  but in lieu thereof a cash payment will be
made, as provided in the Rights Agreement.

            No holder of this  Rights  Certificate  shall be entitled to vote or
receive dividends or be deemed for any purpose the holder of Preferred Shares or
of any other securities of the Company (including Common Shares) that may at any
time be issuable on the exercise  hereof,  nor shall  anything  contained in the
Rights  Agreement or herein be construed  to confer upon the holder  hereof,  as
such, any of the rights of a stockholder of the Company or any right to vote for
the election of directors or upon any matter  submitted to  stockholders  at any
meeting thereof,  or to give or withhold consent to any corporate action, or, to
receive notice of meetings or other actions  affecting  stockholders  (except as
provided  in the Rights  Agreement),  or to receive  dividends  or  subscription

<PAGE>

rights,  or  otherwise,  until  the  Right or Rights  evidenced  by this  Rights
Certificate shall have been exercised as provided in the Rights Agreement.

            This Rights  Certificate  shall not be valid or  obligatory  for any
purpose until it shall have been countersigned by the Rights Agent.

            WITNESS  the  facsimile  signature  of the  proper  officers  of the
Company and its corporate seal.

Dated as of ____________ ___, ____


ATTEST
                              -----------------------------


__________________            By___________________________
Secretary                     Title:



Countersigned

- -------------------------------


By____________________
  Authorized Officer


<PAGE>


               [Form of Reverse Side of Rights Certificate]


                            FORM OF ASSIGNMENT

             (To be executed by the registered  holder if such holder desires to
           transfer the Rights Certificate.)


FOR   VALUE   RECEIVED   ________________________________________   hereby
sells,            assigns           and           transfers           unto
- ---------------------------------------------
- -------------------------------------------------------------------------
              (Please print name and address of transferee)
- ------------------------------------------------------------------------
this Rights  Certificate,  together with all right,  title and interest therein,
and does hereby irrevocably constitute and appoint ___________________ Attorney,
to  transfer  the within  Rights  Certificate  on the books of the  within-named
Company, with full power of substitution.

Dated: ______________ ___, ____


                                          -----------------------
                                          Signature


Signature Guaranteed:


                               Certificate

            The undersigned  hereby certifies by checking the appropriate  boxes
that:

            (1) this Rights  Certificate [ ] is [ ] is not being sold,  assigned
and transferred by or on behalf of a Person who is or was an Acquiring Person or
an  Affiliate  or  Associate  of any such  Acquiring  Person  (as such terms are
defined pursuant to the Rights Agreement);

            (2)  after  due  inquiry  and to  the  best  knowledge  of the
undersigned,  it [ ] did [ ] did not acquire the Rights  evidenced by this
Rights  Certificate from any Person who is, was or subsequently  became an
Acquiring Person or an Affiliate or Associate of an Acquiring Person.


<PAGE>

Dated:  ________________, ____            _____________________
                                                Signature

Signature Guaranteed:

                                  NOTICE

      The signatures to the foregoing Assignment and Certificate must correspond
to the  name as  written  upon  the  face of this  Rights  Certificate  in every
particular, without alteration or enlargement or any change whatsoever.


<PAGE>


                       FORM OF ELECTION TO PURCHASE

        (To be executed if holder desires to exercise Rights represented
                           by the Rights Certificate.)

To:___________________

            The  undersigned  hereby  irrevocably  elects to  exercise  ________
Rights  represented by this Rights  Certificate to purchase the Preferred Shares
issuable  upon the  exercise  of the  Rights  (or  Common  Shares or such  other
securities  of the Company or of any other person that may be issuable  upon the
exercise of the Rights) and requests that certificates for such shares be issued
in the name of and delivered to:

Please insert social security
or other identifying number

- ------------------------------------------------------------------------
                     (Please print name and address)

- ------------------------------------------------------------------------

            If such number of Rights  shall not be all the Rights  evidenced  by
this Rights Certificate, a new Rights Certificate for the balance of such Rights
shall be registered in the name of and delivered to:

Please insert social security
or other identifying number

- ------------------------------------------------------------------------
                     (Please print name and address)

- ------------------------------------------------------------------------

- ------------------------------------------------------------------------

Dated:  _____________ ___, ____

                                          -------------------------
                                          Signature

Signature Guaranteed:

<PAGE>


                               Certificate


            The undersigned  hereby  certifies by checking the appropriate
boxes that

            (1) the Rights evidenced by this Rights  Certificate [ ] are [ ] are
not  being  exercised  by or on behalf  of a Person  who is or was an  Acquiring
Person or an Affiliate or Associate of any such Acquiring  Person (as such terms
are defined pursuant to the Rights Agreement);

            (2) after due inquiry and to the best knowledge of the  undersigned,
it [ ] did [ ] did not acquire the Rights  evidenced by this Rights  Certificate
from any Person who is, was or became an  Acquiring  Person or an  Affiliate  or
Associate of an Acquiring Person.

Dated:  _____________,  ____        _________________________
                                    Signature

Signature Guaranteed:


                                  NOTICE

            The signatures to the foregoing Election to Purchase and Certificate
must correspond to the name as written upon the face of this Rights  Certificate
in every particular, without alteration or enlargement or any change whatsoever.


<PAGE>




                                                                 EXHIBIT C


                      SUMMARY OF RIGHTS TO PURCHASE
                             PREFERRED SHARES

            On  June  23,  1997  the  Board  of  Directors  of  National  Patent
Development  Corporation (the "Company") declared a dividend distribution of one
Right for each  outstanding  share of (x) Common Stock,  $.01 par value, and (y)
Class B Capital Stock,  $.01 par value (each, a "Common Share" and collectively,
"Common  Shares")  of the  Company  to  stockholders  of  record at the close of
business on July 3, 1997. Each Right entitles the registered  holder to purchase
from the Company a unit  consisting of one one  thousandth of a share (a "Unit")
of the Series A Junior Participating  Preferred Stock, par value $.01 per share,
of the Company (the  "Preferred  Shares"),  or a combination  of securities  and
assets of equivalent  value, at a Purchase Price of $33.00 per Unit,  subject to
adjustment.  The  description  and terms of the Rights are set forth in a Rights
Agreement (the "Rights  Agreement") between the Company and Harris Trust Company
of New York as Rights Agent.

            Initially,  ownership  of the Rights will be evidenced by the Common
Share certificates representing shares then outstanding,  and no separate Rights
Certificates  will be  distributed.  The Rights  will  separate  from the Common
Shares  and a  Distribution  Date will  occur  upon the  earlier  of (i) 10 days
following  a public  announcement  that a  person  or  group  of  affiliated  or
associated persons (an "Acquiring  Person") has acquired,  or obtained the right
to acquire, beneficial ownership of 20% or more of the outstanding Common Shares
(the "Stock  Acquisition  Date"),  or (ii) the close of business on such date as
may be fixed by the Board of  Directors,  which  date  shall not be more than 65
days following the  commencement  of a tender offer or exchange offer that would
result in a person or group  beneficially  owning 20% or more of the outstanding
Common Shares.  Until the Distribution Date, (i) the Rights will be evidenced by
the Common Share  certificates  and will be transferred  with and only with such
Common Share certificates,  (ii) new Common Share certificates issued after July
3, 1997, will contain a notation incorporating the Rights Agreement by reference
and (iii) the  surrender  for  transfer of any  certificates  for Common  Shares
outstanding will also constitute the transfer of the Rights  associated with the
Common Shares represented by such certificate.

            The Rights are not exercisable  until the Distribution Date and will
expire at the close of business on July 3, 2007,  unless earlier redeemed by the
Company as described  below or unless a  transaction  under Section 13(d) of the
Rights Agreement has occurred.

<PAGE>

            As  soon  as  practicable   after  the  Distribution   Date,  Rights
Certificates  will be mailed to holders of record of the Common Shares as of the
close of business on the Distribution Date and, thereafter,  the separate Rights
Certificates alone will represent the Rights.  Except as otherwise determined by
the Board of Directors,  and except in connection  with the exercise of employee
stock options or stock  appreciation  rights or under any other benefit plan for
employees  or  directors  or in  connection  with the  exercise  of  warrants or
conversion of  convertible  securities,  only Common Shares issued after July 3,
1997 and prior to the Distribution Date will be issued with Rights.

            Except in the circumstances  described below, after the Distribution
Date each Right will be exercisable into one one thousandth of a Preferred Share
(a "Preferred Share Fraction"). Each Preferred Share Fraction carries voting and
dividend rights that are intended to produce the equivalent of one Common Share.
The voting and dividend rights of the Preferred Shares are subject to adjustment
in the event of dividends,  subdivisions  and  combinations  with respect to the
Common  Shares of the Company.  In lieu of issuing  certificates  for  Preferred
Share Fractions which are less than an integral  multiple of one Preferred Share
(i.e. 1,000 Preferred Share  Fractions),  the Company may pay cash  representing
the current market value of the Preferred Share Fractions.

            In the event that at any time following the Stock  Acquisition Date,
(i) the  Company is the  surviving  corporation  in a merger  with an  Acquiring
Person and its Common  Shares  remain  outstanding,  (ii) a Person  becomes  the
beneficial  owner of more than 20% of the then  outstanding  Common Shares other
than pursuant to a tender offer that  provides  fair value to all  stockholders,
(iii) an Acquiring Person engages in one or more "self-dealing"  transactions as
set  forth in the  Rights  Agreement,  or (iv)  during  such time as there is an
Acquiring  Person  an event  occurs  that  results  in such  Acquiring  Person's
ownership  interest  being  increased  by more  than 1% (e.g.,  a reverse  stock
split),  each holder of a Right will thereafter have the right to receive,  upon
exercise,  Common Shares (or, in certain circumstances,  cash, property or other
securities of the Company)  having a value equal to two times the exercise price
of the Right.  In lieu of requiring  payment of the Purchase Price upon exercise
of the Rights  following  any such  event,  the  Company  may permit the holders
simply to surrender the Rights,  in which event they will be entitled to receive
Common  Shares (and other  property,  as the case may be) with a value of 50% of
what could be purchased by payment of the full Purchase  Price.  Notwithstanding
any of the foregoing, following the occurrence of any of the events set forth in
clauses  (i),  (ii),  (iii) or (iv) of this  paragraph,  all Rights that are, or
(under  certain   circumstances   specified  in  the  Rights   Agreement)  were,
beneficially  owned by any Acquiring  Person who was involved in the transaction
giving  rise to any such  event will be null and void.  However,  Rights are not
exercisable  following the occurrence of any of the events set forth above until
such time as the Rights  are no longer  redeemable  by the  Company as set forth
below.

<PAGE>

            For example,  at an exercise  price of $33.00 per Right,  each Right
not otherwise  voided  following an event set forth in the  preceding  paragraph
would  entitle its holder to purchase  $66.00  worth of Common  Shares (or other
consideration, as noted above) for $33.00. Assuming that the Common Shares had a
per share value of $11.00 at such time,  the holder of each valid Right would be
entitled to  purchase 6 Common  Shares for  $33.00.  Alternatively,  the Company
could  permit the holder to  surrender  each Right in exchange for stock or cash
equivalent  to 3 Common  Shares (with a value of $33.00)  without the payment of
any consideration other than the surrender of the Right.

            In the event that, at any time following the Stock Acquisition Date,
(i)  the  Company  is  acquired  in  a  merger  or  other  business  combination
transaction in which the Company is not the surviving  corporation (other than a
merger that is described  in, or that  follows a tender offer or exchange  offer
described  in,  the  second  preceding  paragraph),  or (ii)  50% or more of the
Company's assets or earning power is sold or transferred, each holder of a Right
(except  Rights  that  previously  have been  voided as set forth  above)  shall
thereafter  have the  right to  receive,  upon  exercise,  common  shares of the
acquiring  company  having a value equal to two times the exercise  price of the
Right.  Again,  provision is made to permit  surrender of the Rights in exchange
for one-half of the value  otherwise  purchasable.  The events set forth in this
paragraph  and  in  the  second  preceding  paragraph  are  referred  to as  the
"Triggering Events."

            The  Purchase  Price  payable,  and the number of Units of Preferred
Shares or other securities or property  issuable upon exercise of the Rights are
subject to adjustment from time to time to prevent  dilution (i) in the event of
a stock dividend on, or a subdivision,  combination or reclassification  of, the
Preferred  Shares,  (ii) if holders of the Preferred  Shares are granted certain
rights or warrants to subscribe for Preferred  Shares or convertible  securities
at less than the current market price of the Preferred Shares, or (iii) upon the
distribution to holders of the Preferred  Shares of evidences of indebtedness or
assets  (excluding  regular  quarterly  dividends) or of subscription  rights or
warrants (other than those referred to above).

            With certain exceptions, no adjustment in the Purchase Price will be
required  until  cumulative  adjustments  amount to at least 1% of the  Purchase
Price. No fractional Units will be issued and, in lieu thereof, an adjustment in
cash will be made based on the market price of the Preferred  Shares on the last
trading date prior to the date of exercise.

            At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole,  but not in part, at a price of $.01 per
Right.  That ten day redemption period may be extended by the Board of Directors
so long as the Rights are still  redeemable.  Under  certain  circumstances  set
forth  in the  Rights  Agreement,  the  decision  to  redeem  will  require  the
concurrence  of a majority of the  Continuing  Directors.  Immediately  upon the

<PAGE>

action of the Board of Directors ordering redemption of the Rights,  with, where
required, the concurrence of the Continuing Directors, the Rights will terminate
and the  only  right  of the  holders  of  Rights  will be to  receive  the $.01
redemption price.

            The term  "Continuing  Directors"  means any  member of the Board of
Directors  of the Company who was a member of the Board prior to the date of the
Rights  Agreement,  and any person who is  subsequently  elected to the Board if
such  person  is  recommended  or  approved  by a  majority  of  the  Continuing
Directors,  but shall not  include  an  Acquiring  Person,  or an  affiliate  or
associate  of an  Acquiring  Person,  or any  representative  of  the  foregoing
entities.

            Until a Right is exercised,  the holder thereof,  as such, will have
no rights as a stockholder of the Company,  including,  without limitation,  the
right to vote or to receive dividends. While the distribution of the Rights will
not be taxable to stockholders or to the Company,  stockholders  may,  depending
upon the  circumstances,  recognize  taxable income in the event that the Rights
become exercisable for Preferred Shares (or other  consideration) of the Company
or for common shares of the acquiring company as set forth above.

            Other than those provisions relating to the principal economic terms
of the Rights,  any of the provisions of the Rights  Agreement may be amended by
the Board of Directors of the Company prior to the Distribution  Date. After the
Distribution  Date, the provisions of the Rights Agreement may be amended by the
Board in order to cure any  ambiguity,  to make  changes  that do not  adversely
affect the  interests  of  holders of Rights  (excluding  the  interests  of any
Acquiring  Person),  or to shorten or lengthen  any time period under the Rights
Agreement;  provided,  however,  that no  amendment  to adjust  the time  period
governing  redemption  shall  be  made  at  such  time  as the  Rights  are  not
redeemable.  Under  certain  circumstances  set forth in the  Rights  Agreement,
amendments will require the concurrence of the Continuing Directors.

            A copy of the Rights  Agreement  is being filed with the  Securities
and Exchange Commission as an Exhibit to a Registration Statement on Form 8-A. A
copy of the Rights Agreement is available free of charge from the Company.  This
summary  description  of the  Rights  does not  purport  to be  complete  and is
qualified  in its  entirety  by  reference  to the  Rights  Agreement,  which is
incorporated herein by reference.

                            [End of Document]



                                                      Exhibit 99





Contact:    Jerome I. Feldman             Scott N. Greenberg
            President and CEO             Vice President and CFO
            212-230-9508                        212-230-9529


                 NATIONAL PATENT DEVELOPMENT CORPORATION
                         ADOPTS STOCKHOLDER RIGHTS PLAN


FOR IMMEDIATE RELEASE


      New  York,  New  York,  June  24,   1997..................National  Patent
Development  Corporation  (ASE:NPD)  announced today that its Board of Directors
has declared a dividend on its shares of Common Stock and Class B Capital  Stock
(collectively,  the "Common  Shares") of preferred share purchase rights as part
of a Stockholder Rights Plan.

      The Plan is  designed  to  insure  that all  stockholders  of the  Company
receive fair value for their Common Shares in the event of any proposed takeover
of the Company and to guard  against the use of partial  tender  offers or other
coercive  tactics to gain control of the Company without  offering fair value to
the Company's stockholders. At the present time the Company knows of no proposed
or  threatened  takeover,  tender  offer or other  effort to gain control of the
Company.

      Jerome I.  Feldman,  Chief  Executive  Officer of the Company,  said,  "We
believe  that this Plan  protects  stockholder  interests  in the event that the
Company is confronted with coercive or unfair takeover tactics, including offers
that do not treat all stockholders interests fairly or do not maximize the value
of the Company,  including  the  long-term  gains which the  stockholders  could
reasonably  expect  to  receive  if the  Company  remains  independent.  This is
especially  true,  because at the present  time,  management  believes  that the
Company is undervalued."

       Mr.  Feldman  stressed  that  "the  Plan is not  intended,  nor  will it
operate,  to prevent an  acquisition  of the Company on terms that are favorable
and fair to all stockholders. The Plan is designed to deal with the very serious
problem of  unilateral  actions  by hostile  acquirors  that are  calculated  to
deprive the Board and  stockholders of their ability to determine the destiny of
the Company.  Acquisition  offers that reflect the Company's fair value and that
are made to all stockholders would not be affected by the Plan."


<PAGE>

      Under  the  terms  of the  Plan,  preferred  share  purchase  rights  (the
"Rights")  will be  distributed  as a dividend at the rate of one Right for each
Common Share held as of the close of business on July 3, 1997. Stockholders will
not actually  receive  certificates  for the Rights at this time, but the Rights
will become  part of each  Common  Share.  The number of Rights  outstanding  is
subject to adjustment under certain  circumstances and all rights expire on July
3, 2007.

      Each Right will  entitle the holder to buy 1/1000 of a share of a Series A
Junior Participating Preferred Shares of the Company (the "Preferred Shares") at
an exercise  price of $33.00.  Each  Preferred  Share fraction is designed to be
equivalent in voting and dividend rights to one Common Share. The Rights will be
exercisable and will trade separately from the Common Shares only if a person or
group (other than an Exempted  Person) acquires  beneficial  ownership of 20% or
more of the Company's Common Shares or commences a tender or exchange offer that
would result in such a person or group owning 20% or more of the Common  Shares.
Only  when  one  or  more  of  these  events  occur  will  stockholders  receive
certificates for the Rights.

      If any person actually acquires 20% or more of Common Shares -- other than
through a tender or exchange  offer for all Common  Shares that  provides a fair
price and other terms for such shares -- or if a 20%-or-more stockholder engages
in certain "self-dealing"  transactions or engages in a merger or other business
combination  in  which  the  Company  survives  and  its  Common  Shares  remain
outstanding,  the other  stockholders will be able to exercise the Right and buy
Common Shares (of the same class of Common Shares to which the Rights  attached)
of the  Company  having  twice the value of the  exercise  price of the  Rights.
Additionally,  if the  Company is involved in certain  other  mergers  where its
shares are exchanged or certain  major sales of its assets  occur,  stockholders
will be able to purchase the other  party's  common shares in an amount equal to
twice the value of the exercise price of the Rights.  Upon the occurrence of any
of these events, the Rights will no longer be exercisable into Preferred Shares.

      The Company will be entitled to redeem the Rights at $.01 per Right at any
time  until  the tenth  day  following  public  announcement  that a person  has
acquired a 20% ownership  position in Common Shares of the Company.  The Company
in its discretion may extend the period during which it can redeem the Rights.

      The  forward-looking  statements  contained  herein  reflect  management's
current  view with respect to future  events and  financial  performance.  These
forward-looking  statements are subject to certain risks and uncertainties  that
could   cause   actual   results  to  differ   materially   from  those  in  the
forward-looking  statements,  all of which are  difficult to predict and many of
which are beyond the  control of the  Company,  including,  but not  limited to,
those risks and  uncertainties  detailed in the Company's  periodic  reports and
registration statements filed with the Securities and Exchange Commission.

                                  # # #




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